Siemens H-compact PLUS User manual

Three-phase asynchronous moto
r
H-compact PLUS
Type 1RQ671...
N - Generic TEAAC / 2008
Operating Instructions • 06/2009
h-compact plus

24.06.2009 15:03

Introduction 1
Safety information 2
Description 3
Preparations for use 4
Installation 5
Connection 6
Start-up 7
Operation 8
Maintenance 9
Spare Parts 10
Appendix A
Notes B
Three-phase asynchronous
motor
H-compact PLUS
1RQ6
Operating Instructions
Edition 06/2009
This documentation pertains to
N-WO Generic TEAAC / 2008
Type 1RQ671...-Z

Legal information
Warning notice system
This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent
damage to property. The notices referring to your personal safety are highlighted in the manual by a safety alert
symbol, notices referring only to property damage have no safety alert symbol. These notices shown below are
graded according to the degree of danger.
DANGER
indicates that death or severe personal injury will result if proper precautions are not taken.
WARNING
indicates that death or severe personal injury may result if proper precautions are not taken.
CAUTION
with a safety alert symbol, indicates that minor personal injury can result if proper precautions are not taken.
CAUTION
without a safety alert symbol, indicates that property damage can result if proper precautions are not taken.
NOTICE
indicates that an unintended result or situation can occur if the corresponding information is not taken into
account.
If more than one degree of danger is present, the warning notice representing the highest degree of danger will
be used. A notice warning of injury to persons with a safety alert symbol may also include a warning relating to
property damage.
Qualified Personnel
The device/system may only be set up and used in conjunction with this documentation. Commissioning and
operation of a device/system may only be performed by qualified personnel. Within the context of the safety notes
in this documentation qualified persons are defined as persons who are authorized to commission, ground and
label devices, systems and circuits in accordance with established safety practices and standards.
Proper use of Siemens products
Note the following:
WARNING
Siemens products may only be used for the applications described in the catalog and in the relevant technical
documentation. If products and components from other manufacturers are used, these must be recommended
or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and
maintenance are required to ensure that the products operate safely and without any problems. The permissible
ambient conditions must be adhered to. The information in the relevant documentation must be observed.
Trademarks
All names identified by ® are registered trademarks of the Siemens AG. The remaining trademarks in this
publication may be trademarks whose use by third parties for their own purposes could violate the rights of the
owner.
Disclaimer of Liability
We have reviewed the contents of this publication to ensure consistency with the hardware and software
described. Since variance cannot be precluded entirely, we cannot guarantee full consistency. However, the
information in this publication is reviewed regularly and any necessary corrections are included in subsequent
editions.
Siemens AG
Industry Sector
Postfach 48 48
90026 NÜRNBERG
GERMANY
Ordernumber: A5E..
Ⓟ 06/2009
Copyright © Siemens AG 2008.
Technical data subject to change

WOGeneric TEAAC / 2008
Siemens AG Operating Instructions 1.03 1RQ671...-Z 3
Table of contents
1Introduction................................................................................................................................................ 7
1.1 About these operating instructions ................................................................................................7
2Safety information...................................................................................................................................... 9
2.1 Observing the five safety rules.......................................................................................................9
2.2 Safety and application instructions ................................................................................................9
2.3 Switching high-voltage motors.....................................................................................................10
2.4 Electromagnetic compatibility ......................................................................................................11
3Description............................................................................................................................................... 13
3.1 Applications..................................................................................................................................13
3.2 Design of the motor......................................................................................................................13
3.3 Rating plate..................................................................................................................................14
3.4 Arrangement of the plates on the motor ......................................................................................15
4 Preparations for use ................................................................................................................................ 17
4.1 Transport and storage..................................................................................................................17
4.1.1 Storage.........................................................................................................................................17
5Installation ............................................................................................................................................... 21
5.1 Noise emission.............................................................................................................................21
5.2 Installation....................................................................................................................................21
5.3 Aligning ........................................................................................................................................22
5.4 Mounting ......................................................................................................................................23
5.5 Installation of the Coupling ..........................................................................................................23
5.6 Cooling water quality....................................................................................................................24
6Connection .............................................................................................................................................. 25
6.1 Electrical connection ....................................................................................................................25
6.1.1 Grounding the motor ....................................................................................................................25
6.1.2 Terminal designation....................................................................................................................26
6.1.3 Direction of rotation......................................................................................................................26
6.1.4 Cable entry and routing................................................................................................................27
6.1.5 Connecting the power cables.......................................................................................................27
6.1.6 Connection with aluminum conductors ........................................................................................30
6.1.7 Internal equipotential bonding between main terminal box and motor frame..............................30
6.1.8 Final steps....................................................................................................................................30
6.2 Connecting auxiliary circuits ........................................................................................................31
6.2.1 Connecting the anti-condensation heating and auxiliary circuits.................................................31
6.2.2 Final steps....................................................................................................................................32
7Start-up.................................................................................................................................................... 33

Table of contents
WOGeneric TEAAC / 2008
4 Siemens AG Operating Instructions 1.03 1RQ671...-Z
7.1 Checking the insulation resistance ............................................................................................. 33
7.2 Monitoring the temperature of the stator winding........................................................................ 35
7.3 Measures to be performed prior to commissioning..................................................................... 35
7.4 Lubrication of rolling contact bearings prior to commissioning ................................................... 36
7.5 Switching high-voltage motors .................................................................................................... 37
8Operation................................................................................................................................................. 39
8.1 Safety notes during operation ..................................................................................................... 39
8.2 Operation with anti-condensation heating................................................................................... 40
8.3 Insulated bearings....................................................................................................................... 40
8.4 Switching on with anti-condensation heating.............................................................................. 41
8.5 Switch on..................................................................................................................................... 41
8.6 Stoppages ................................................................................................................................... 42
8.7 Faults in operation....................................................................................................................... 42
9 Maintenance ............................................................................................................................................ 45
9.1 Maintenance and servicing ......................................................................................................... 45
9.1.1 Safety information ....................................................................................................................... 45
9.1.2 Regreasing intervals and types of grease for operating rolling-contact bearings....................... 46
9.1.3 Cleaning the cooling system ....................................................................................................... 47
9.1.4 Servicing...................................................................................................................................... 48
9.1.4.1 Inspection notes for rolling-contact bearings .............................................................................. 48
9.1.4.2 First service after installation or repair ........................................................................................ 48
9.1.4.3 General inspection ...................................................................................................................... 49
9.2 Corrective Maintenance .............................................................................................................. 49
9.2.1 Dismantling ................................................................................................................................. 49
9.2.2 Repairing the upper part of the enclosure................................................................................... 50
9.2.3 Repairing the air intake cowl....................................................................................................... 52
9.2.4 Repairing the fan......................................................................................................................... 52
9.2.5 Reparing rolling-contact bearings ............................................................................................... 53
9.2.6 Repairing the rolling contact bearings with labyrinth ring ........................................................... 53
9.2.7 Repairing the rolling contact bearings with V ring....................................................................... 54
9.2.8 Installing felt rings for the inner bearing seal .............................................................................. 56
9.2.9 Sealing the motor ........................................................................................................................ 56
9.2.10 Tightening torques for screw and bolt connections .................................................................... 56
10Spare Parts.............................................................................................................................................. 59
10.1 Ordering data .............................................................................................................................. 59
10.2 Replacing rolling-contact bearings.............................................................................................. 59
10.3 Using commercially available spare parts................................................................................... 59
10.4 Stator and rotor ........................................................................................................................... 60
10.5 Upper part of the enclosure......................................................................................................... 61
10.6 Upper part of the enclosure......................................................................................................... 62
10.7 Rolling-contact bearings, drive end............................................................................................. 63
10.8 Rolling-contact bearings, non-drive end ..................................................................................... 64

Table of contents
WOGeneric TEAAC / 2008
Siemens AG Operating Instructions 1.03 1RQ671...-Z 5
10.9 Terminal box 1XE1... ...................................................................................................................65
10.10 Terminal box 1XF4.......................................................................................................................67
10.11 Terminal box 1XD4... ...................................................................................................................68
A Appendix.................................................................................................................................................. 69
A.1 SIEMENS Service Center ............................................................................................................69
A.2 Abbreviations ...............................................................................................................................69
A.3 Technical specifications ...............................................................................................................71
A.3.1 Dimension drawing of machine....................................................................................................71
A.3.2 Text for machine dimension drawing ...........................................................................................73
A.3.3 Dimension drawing of shaft..........................................................................................................85
A.3.4 Electrical data...............................................................................................................................87
B Notes ....................................................................................................................................................... 95
Index........................................................................................................................................................ 99
Tables
Table 3-1 Construction standards ................................................................................................................13
Table 6-1 Tightening torques of bolts (cable lug).........................................................................................25
Table 6-2 Tightening torques of bolts (ground terminals) ............................................................................25
Table 6-3 Terminal designations using the 1U1-1 as an example...............................................................26
Table 6-4 Minimum air gaps for uninsulated live components.....................................................................27
Table 6-5 Parts for connection to equipment already on-site ......................................................................28
Table 6-6 Technical specifications for selecting the cable lug.....................................................................28
Table 7-1 Stator winding insulation resistance at 25°C ...............................................................................34
Table 8-1 Electrical faults.............................................................................................................................43
Table 8-2 Mechanical faults .........................................................................................................................43
Table 9-1 Suitable greases for rolling-contact bearings down to -20°C.......................................................46
Table 9-2 Tightening torques for bolted connections with a tolerance of ±10%. .........................................57
Table 10-1 Spare parts - Stator and rotor ......................................................................................................60
Table 10-2 Spare parts for the upper part of the enclosure...........................................................................61
Table 10-3 Spare parts for the upper part of the enclosure WPII ..................................................................62
Table 10-4 Spare parts for the rolling contact bearing on the drive end........................................................63
Table 10-5 Spare parts for the rolling contact bearing with cover on the non-drive end ...............................64
Table 10-6 Spare parts list for terminal box 1XE1.. .......................................................................................66
Table 10-7 Spare parts list for terminal box 1XF4.. .......................................................................................67
Table 10-8 Spare parts list for terminal box 1XD4.. .......................................................................................68
Table A-1 Technical support.........................................................................................................................69
Table A-2 Meaning of abbreviations.............................................................................................................69

Table of contents
WOGeneric TEAAC / 2008
6 Siemens AG Operating Instructions 1.03 1RQ671...-Z
Figures
Figure 3-1 Example of rating plate ............................................................................................................... 14
Figure 3-2 Example: Arrangement of the plates on the horizontal construction type .................................. 15
Figure 9-1 Dismantling the labyrinth ring...................................................................................................... 53
Figure 9-2 Position of the locating setscrews on the labyrinth ring on the outer bearing cap...................... 54
Figure 9-3 Dismantling the V ring and adjacent protecting ring ................................................................... 55
Figure 9-4 Installing V ring with adjacent protecting ring.............................................................................. 55
Figure 10-1 Stators and rotors with ventilation on one side. .......................................................................... 60
Figure 10-2 Upper part of the enclosure......................................................................................................... 61
Figure 10-3 Upper part of the enclosure WPII - fig. 2..................................................................................... 62
Figure 10-4 Rolling contact bearings drive end for model B3 ........................................................................ 63
Figure 10-5 Rolling contact bearings non-drive end for model B3 ................................................................. 64

WOGeneric TEAAC / 2008
Siemens AG Operating Instructions 1.03 1RQ671...-Z 7
Introduction 1
1.1About these operating instructions
These operating instructions describe the machine and explain best practices in machine
handling, from initial delivery to final disposal of the equipment.
Read these instructions before you handle the machine to become familiar with its design
and operating principles and thus ensure safe, problem-free machine operation and long
service life.
This document and/or excerpts thereof may not be reproduced or copied without express,
written permission from Siemens. Its content may not be passed to third parties or used for
any proscribed purpose.
We strive continually to improve the quality of information provided in these instructions.
Please therefore contact us if you discover any errors or wish to make suggestions for
improvements. For contact information, please refer to Chapter "Siemens Service Center
(Page 69)"
Always follow the safety instructions and notices in these instructions.
Text format features
In addition to the safety-related notices and instructions which you must read, you will find
the text in these instructions is formatted in the following way:
1. Handling instructions are always formatted as a numbered list. Always perform the steps
in the order given.
●Lists are formatted as bulleted lists.
– Lists on the second level are hyphenated.
Note
A Note is an important item of information about the product, handling of the product or the
relevant section of the document. Notes provide you with help or further suggestions/ideas.

WOGeneric TEAAC / 2008
Siemens AG Operating Instructions 1.03 1RQ671...-Z 9
Safety information 2
2.1Observing the five safety rules
For your personal safety and to prevent material damage when working on the device,
always observe the safety instructions on the product and the following five safety rules: You
must read the information provided in "Safety information".
The five safety rules:
1. isolate,
2. Protect against reconnection,
3. verify that the equipment is not live,
4. Ground and short circuit,
5. Cover or enclose adjacent components that are still live
Qualified personnel
Commissioning and operation of this machine are to be carried out by qualified personnel
only. For the purpose of the safety information in this Instruction Manual, a “qualified person”
is someone who is authorized to energize, ground, and tag equipment, systems, and circuits
in accordance with established safety procedures.
2.2Safety and application instructions
The safe use of electrical machines
WARNING Ro-
tating or live parts
Rotating or live parts are dangerous.
Fatal or severe injuries and substantial material damage can occur if the required covers
are removed or if the machines are not handled, operated, or maintained properly.
Only remove covers in accordance with regulations and operate machines correctly.
Perform regular maintenance on the machine.
Qualified personnel
These operating instructions only contain the information that is necessary for the machines
to be used by qualified personnel in accordance with their intended purpose.

Safety information
2.3 Switching high-voltage motors
WOGeneric TEAAC / 2008
10 Siemens AG Operating Instructions 1.03 1RQ671...-Z
Those responsible for plant safety must ensure the following:
● The basic planning work for the system and all work relating to transportation, assembly,
installation, commissioning, maintenance and repairs is carried out by qualified personnel
and checked by responsible, suitably skilled personnel.
● The operating instructions and machine documentation are always available.
● The technical data and specifications relating to installation, connection, ambient and
operating conditions are taken into account at all times.
● The system-specific installation and safety regulations are observed.
● Personal protective equipment is used.
● Work on or in the vicinity of these machines by unqualified persons is prohibited.
● If the machines are used outside industrial areas, the installation site must be
safeguarded against unauthorized access by means of suitable protection facilities (e.g.,
safety gates) and appropriate warning signs.
Note
Siemens Service Center
We recommend engaging the support and services of your local Siemens Service Center
(Page 69) for all planning, installation, commissioning, and maintenance work.
[ID 2.02]
2.3Switching high-voltage motors
Switching overvoltages
If vacuum circuit breakers and vacuum contactors are used, what are known as multiple
restrikes can occur when the machine is switched off. This depends on various factors, such
as:
● arc-extinguishing principle of the switch,
● size of the motor,
● length of the power supply cable,
● system capacitance, etc.
CAUTION
Switching overvoltages
In some cases, multiple restrikes can result in switching overvoltages which are too high
for the insulation of the motor stator winding. This occurs when high-voltage motors with
starting currents IA ≤ 600 A are disconnected during startup or following a blockage.
The peak voltages which arise as a result can damage the winding insulation.
If you are using vacuum circuit breakers and vacuum contactors, use an appropriate
surge suppressor, such as the Siemens 3EF (zinc oxide varistor with spark gap).

Safety information
2.4 Electromagnetic compatibility
WOGeneric TEAAC / 2008
Siemens AG Operating Instructions 1.03 1RQ671...-Z 11
Example
This current limit corresponds to the following upper power limits, depending on the
relationship between the starting current IA and rated current IN and on the voltage dip (up to
approximately 20%) while the motor is starting up:
● Approximately 750 kW at IN = 3 kV
● Approximately 1500 kW at IN = 6 kV
● Approximately 2500 kW at IN = 10 kV
A limiter to ground is installed in the switchgear between the circuit breaker and the cable
termination for each of the three conductors. The level of protection for the motor windings is
sufficient given the correct choice of limiters (rated motor voltage/response voltage).
[ID 250.01]
2.4Electromagnetic compatibility
Instructions relevant to safety
When used in accordance with their intended purpose and operated in an electrical supply
system with characteristics to EN 50160, the enclosed motors (IP 54 and higher) comply with
the requirements of the EC Directive concerning electromagnetic compatibility 89/336/EEC.
WARNING
Interference emissions from very irregular load torque
If the load torque is very irregular (e.g. when driving a reciprocating compressor) a non-
sinusoidal motor current will be induced whose harmonics might bring about an excessive
reaction on the supply system and so cause excessive emitted interference on the power
supply connecting leads.
For example, the operation of heart pacemakers can be impaired, potentially leading to
damage to a person's health or even death. It is therefore forbidden for persons with heart
pacemakers to enter these areas.
The plant operator is responsible for taking appropriate measures (labels and hazard
warnings) to adequately protect operating personnel and others against any possible risk.
WARNING
Interference voltages when operated with frequency converter
If operated on a frequency converter, the emitted interference varies in strength, depending
on the converter (manufacturer, type, interference suppression measures undertaken). On
motors with integrated sensors (e.g. PTC thermistors), interference voltages caused by the
converter may occur on the sensor lead. This can cause faults which can result in eventual
or immediate death, serious injury, or material damage.
In order to avoid exceeding the limit values as per EN 50081 on the drive system (motor
and converter), the EMC information given by the converter manufacturer must be strictly
observed. You must put appropropriate EMC measures in place.

Safety information
2.4 Electromagnetic compatibility
WOGeneric TEAAC / 2008
12 Siemens AG Operating Instructions 1.03 1RQ671...-Z
The motor generally fulfills the requirements of interference immunity in conformity with EN
50082. If using motors with integrated sensors, the operator himself must ensure sufficient
interference immunity by selecting a suitable sensor signal lead and a suitable evaluation
unit.

WOGeneric TEAAC / 2008
Siemens AG Operating Instructions 1.03 1RQ671...-Z 13
Description 3
3.1Applications
Overview
1RQ6 three-phase AC motors have been designed for a very wide range of drive
applications and also for energy conversion. They are characterized by their ruggedness,
long service life and reliability. They are also extremely versatile, allowing them to be tailored
to the particular function.
Details of the supplied motor and permissible operating conditions should be taken from this
documentation. [ID 6]
3.2Design of the motor
The 1RQ6 motors are squirrel-cage, three-phase AC motors.
Supplementary devices
Temperature sensors are integrated in the stator winding to monitor the winding
temperature. Depending on the options ordered, various supplementary devices can be
installed or attached, e.g., anti-condensation heating in the stator housing or sensors to
monitor storage temperatures.
Construction standards
The motors comply with the following standards:
Table 3-1 Construction standards
Feature Standard
Rating and performance IEC / EN 60034-1 NEMA MG 1
Degree of protection IEC / EN 60034-5 NEMA MG 1
Cooling IEC / EN 60034-6 NEMA MG 1
Type of construction IEC / EN 60034-7 NEMA MG 1
Noise emission IEC / EN 60034-9 NEMA MG 1
Vibration severity grades IEC / EN 60034-14 NEMA MG 1
Specifications for the degree of protection, cooling and type of construction can be taken
from the "Technical specifications" section of this documentation or from the rating plate on
the motor. [ID 1003.01]

Description
3.3 Rating plate
WOGeneric TEAAC / 2008
14 Siemens AG Operating Instructions 1.03 1RQ671...-Z
3.3Rating plate
Technical specifications
The rating plate shows the technical specifications for the supplied motor.
Item Description Item Description
① Type of motor ⑫ Type
② Three-Phase High-Voltage Motor ⑬ Degree of protection
③ Rated voltage [V] and winding connections ⑭ Thermal class
④ Rated frequency [Hz] ⑮ Service Factor
⑤ Surface temperature code ⑯ Certificate number
⑥ Rated current [A] ⑰ Omitted
⑦ Rotor class ⑱ Rated speed [rpm]
⑧ Omitted ⑲ Rated efficiency factor
⑨ Direction of rotation ⑳ Rated output [hp]
⑩ Serial number
Motor weight [lbs]
⑪ Operating mode
Figure 3-1 Example of rating plate
[ID 1164.01)

Description
3.4 Arrangement of the plates on the motor
WOGeneric TEAAC / 2008
Siemens AG Operating Instructions 1.03 1RQ671...-Z 15
3.4Arrangement of the plates on the motor
Horizontal construction type
① Additional plate - transportation warning ⑪ Rating plate
② Company name plate ⑫ Lubricant plate
③ Additional plate - purging air outlet ⑬ Additional plate - bearing insulation drive end and
non-drive end
④ Additional plate: fan unit direction of rotation ⑭ Rating plate - anti-condensation heating data
⑤ Additional plate - transport of construction type B3 ⑮ Additional plate - running-up time
⑥ Additional plate - type of ignition protection Ex e 1) ⑯ Additional plate - asset number
⑦ Additional plate - purging air inlet ⑰ Additional plate - blank
⑧ Additional plate - balancing type 1/1 and 1/2 ⑱ Additional plate - purging air data
⑨ Additional plate - balancing type 1/2 ⑲ Additional plate - type of ignition protection Ex i 2)
⑩ Additional plate - anti-condendation heating warning ⑳ CE label
1) only on terminal boxes in protection type Ex e, installed on motor in other protection types
2) only on terminal boxes with intrinsically safe circuits
Figure 3-2 Example: Arrangement of the plates on the horizontal construction type
[ID 1155.01]

WOGeneric TEAAC / 2008
Siemens AG Operating Instructions 1.03 1RQ671...-Z 17
Preparations for use 4
4.1Transport and storage
4.1.1 Storage
CAUTION
Seizure damage to bearings
If storage conditions are inappropriate there is a risk of bearing seizure damage. This can
result in brinelling, for example.
Read the following storage instructions.
Storing outdoors
Store the motor in a location that meets the following criteria:
● Choose a dry storage location of adequate size which is safe from flooding and free from
vibrations.
● Repair any damage to the packaging before putting the equipment into storage insofar as
this is necessary to ensure proper storage conditions.
● Position motors, devices and crates on pallets, wooden beams or foundations that
guarantee protection against ground dampness.
● Prevent the motor from sinking into the ground.
● Ensure that the air circulation under the equipment is not impeded.
–Covers or tarpaulins used to protect the equipment against the weather must not
make contact with the surfaces of the equipment.
–Covers or tarpaulins must not trail on the floor around the machine.
– Place wooden spacer blocks between the covers and the motor.

Preparations for use
4.1 Transport and storage
WOGeneric TEAAC / 2008
18 Siemens AG Operating Instructions 1.03 1RQ671...-Z
Storing indoors
● Store the motor in an area that meets the following criteria:
– Dry, dust-free, frost-free and vibration-free The relative air humidity should be lower
than 60% and the temperature should not drop below -15 °C in accordance with
EN 60034-1.
– Well ventilated
– Offers protection against extreme weather conditions
– The air in the storage area must not contain any harmful
gases. ● Protect the motor from shocks and humidity.
Protection against humidity
● If a dry storage area is not available, then take the following precautions:
–Wrap the motor in humidity-absorbent material and then wrap it in film to create an air
tight unit.
– Place a humidity meter inside the film wrapping.
–Inspect the motor regularly.
[ID 1079.01xx]
Long-term storage
If you are storing a motor for more than six months, you must check its condition every six
months.
● Check the motor for damage.
● Carry out any necessary maintenance work.
● Document all preservation measures taken so that they can be reversed before the
machines are put back into service.
● Energize anti-condensation heaters (if provided) or otherwise provide a constant
source of low heat to the motor windings, along with forced air ventilation.
Condensate
Condensate can collect in the motor as a result of sharp fluctuations in ambient temperature,
exposure to direct sunlight, high levels of humidity in the storage location or intermittent
operation/variations in load during operation. Make sure that the storage conditions are such
that condensate cannot form in the motor.
CAUTION
Damage due to condensate
If the stator winding is damp, its insulation resistance is reduced. This results in voltage
flashovers, which can destroy the winding. Condensate can also cause rust to form inside
the motor.
Ensure that condensate can drain away.