ABB Advance User manual

ABB 15 kV/ 63 kA Manual Ground & Test Device
Instruction Manual
5/15/27 kV, 25/31.5/50/63 kA
Manual Ground & Test Devices
Installation, Operations and
Maintenance Manual
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Installation, Operations and Maintenance Manual
1VAL064601-MB Rev C
Table of Contents
1. Important Safety Notes & Warning 1
1.1 Safe Practices 1
1.2 Safety Notations 1
2. Introduction & Safe Practices 2
2.1 Scope 2
2.2 Receiving, Handling, and Storage 2
2.2.1 Receiving 3
2.2.2 Handling 3
2.2.3 Storage 3
3. Usage and Operation for Advance, Advance 27, SafeGear,
and SafeGear HD Manual G&T Devices 4
3.1 Grounding 4
3.2 Removing Ground/Withdrawing the Device 6
3.3 Testing 7
3.3.1 AC Withstand Voltage Test 7
3.3.2 Current Path Resistance 7
4. Usage and Operation for ReliaGear ND G&T Devices 8
4.1 Grounding 8
4.2 Removing Ground/Withdrawing the Device 10
4.3 Testing 10
4.3.1 AC Withstand Voltage Test 10
4.3.2 Current Path Resistance 10
4.4 Changing the position of the terminals 11
5. Maintenance 11
Appendix 13
5/15 kV, 63 kA Manual G&T (SafeGear HD) Layout Drawing 13
27 kV, 1200/2000 A, 25 kA Manual G&T Layout Drawing 14
5/15 kV, 50 kA Manual G&T Layout Drawing 15
5/15 kV, 31.5 kA ReliaGear ND Manual G&T Layout Drawing 16
End of Life of Product 17
Methods of Disposal 17
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Installation, Operations and Maintenance Manual
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1
1. Important Safety Notes & Warnings
1.1 Safe Practices
It is mandatory that the instructions provided within this
booklet be consulted to ensure safe interaction between
the device and personnel and/or the facility and its
equipment. The user has the responsibility of establishing
a safety program that addresses the proper interaction
with the equipment. This booklet is not intended to replace
a safety program.
Only qualified persons, as defined in the National Electric
Safety Code, who are familiar with the installation and
maintenance of medium voltage circuits and equipment
should be permitted to work with these Ground & Test
Devices.
1.2 Safety Notations
Safety notations alert personnel to possible death, injury
or property damage situations. The safety notations
appear before the step in which the condition applies. The
one safety notice and three hazard levels notations are:
Personnel installing, operating, or maintaining this
equipment must have thorough knowledge of all
applicable local, regional, industry, government, and
OSHA safety procedures as well as commonly accepted
safe working practices. Personnel working in or around
this equipment must also exhibit common sense and good
judgment regarding the potential hazards for themselves
and other personnel in the area. These instructions are
intended for use by fully qualified personnel and are not a
substitute for adequate training, experience and
supervision.
Should clarification or additional information be required,
refer the matter to your nearest ABB Sales office. When
communicating with ABB regarding the product covered
by this IOM Manual, always reference the ABB assigned
Order number.
Indicates a hazardous situation that, if not
avoided, will result in death or serious injury.
DANGER
Indicates a hazardous situation that, if not
avoided, could result in death or serious injury
WARNING
Indicates information considered important, but
not hazard-related (e.g., messages relating to
property damage).
NOTICE
Indicates a hazardous situation that, if not
avoided, could result in minor or moderate injury.
CAUTION
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Installation, Operations and Maintenance Manual
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2. Introduction & Safe Practices
2.1 Scope
The purpose of this manual is to provide instructions for
unpacking, storage, installation, operation and
maintenance for the Manual Ground & Test Devices. This
manual should be carefully read and used as a guide
during installation, commissioning, operation, and
maintenance.
The specific ratings of each Manual Ground & Test Device
are listed on the individual nameplates. Manual Ground &
Test Devices are safety devices. As such, proper
operation is required to satisfy the device’s intended
purpose. Specific safe operating procedures for the use of
the device must be developed by the user to satisfy
individual requirements. Additionally, Ground & Test
Devices are maximum rated devices. Therefore, they
should not under any circumstances be applied outside of
their nameplate ratings.
This booklet provides information for the Manual G&T
Device with ratings shown in Table 1. All information in
this booklet was current at the time of printing.
2.2 Receiving, Handling, and Storage
Ground & Test devices are subject to complete factory
production tests and inspection prior to packaging and
shipment. The shipping package is designed to provide
reasonable protection during shipment and to provide
convenient handling.
Property
Rating
Voltage Class
5-15kV
5-15kV
5-15 kV
ReliaGear ND
27 kV
Continuous Current (A)
1200/2000
3000
1200/2000
3000
1200/2000
1200/2000
Short-time withstand current (kA, rms)
50
63
31.5
25
Momentary Current (kA, Peak)
130
164
82
65
Power frequency withstand voltage (kV)
36
36
36
60
Lightning impulse withstand voltage (kV)
95
95
95
125
Table 1: Ratings Table
Damage from improper handling of the G&T
device may reduce the dielectric strength of the
device.
CAUTION
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Installation, Operations and Maintenance Manual
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2.2.1 Receiving
Immediately upon receipt of a G&T device, examine the
cartons to determine if any damage or loss was sustained
during transit. If damage or indication of rough handling is
evident, file a damage claim at once with the carrier and
promptly notify the nearest district office. ABB is not
responsible for damage of goods after delivery to the
carrier. Use care in unpackingto avoid damaging anyG&T
device parts.
Unpack the G&T device as soon as possible after receipt.
If unpacking is delayed, difficulty may be experienced in
making a claim for damages not evident upon receipt.
Check the contents of each carton against the packing list
before discarding any packing material. If any discrepancy
is discovered, promptly notify your ABB sales
representative. Information specifying the purchase order
number, carton number and part numbers of damaged or
missing parts should accompany the claim.
2.2.2 Handling
G&T device shipping containers are designed to be
handled by a fork lift. Lifting equipment may be used to
uncrate the device. Lifting provisions are provided. Once
removed from the shipping container, the G&T may be
transported using the lift truck. This is the preferred
transport method.
2.2.3 Storage
Store all equipment indoors in a well-ventilated area. For
G&T devices shipped in crates, store G&T devices upright
in their original shipping carton oriented as indicated on
the shipping crates. If the G&T devices are not placed in
service for some time, it is advisable to provide adequate
means of environmental protection. This may be done by
keeping the G&T device in its original shipping container
and storing in a warm, dry and uncontaminated
atmosphere.
The G&T device should be stored to minimize
condensation. Moisture can cause deterioration of metal
parts and high voltage insulation. Cover with heavy
wrapping paper or other moisture barrier. Use materials
that will not trap moisture inside the unit. Do not cover
louvered open-ings. The storage building should have a
well-drained paved floor. The temperature should be
above 60°F. The air should be dry (approxi-mately 50%
maximum humidity).
Pre-usage inspection and maintenance, if necessary, is
recommended due to the intermittent nature of the usage
of the device. See Section 4 “Maintenance”of this
document for more information.
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Installation, Operations and Maintenance Manual
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3. Usage and Operation for Advance,
Advance 27, SafeGear, and SafeGear HD
Manual G&T Devices
3.1 Grounding
1. Disconnect the ground cables from all terminals.
2. Swing the door over the device terminal set that
is not to be grounded (see Figures 1 and 2).
Figure 1: Bottom terminals to be grounded
Figure 2: Top terminals to be grounded
3. Padlock the door in position.
4. Insert the device in the switchgear breaker
compartment using the instructions relevant to the
switchgear found below:
a. SafeGear HD Installation, Operations and
Maintenance Manual, document number:
1VAL108001-MB Section 5.11.1.
b. Advance Installation and Maintenance
Manual, document number: IB3.2.6-7A
Chapter 8.
c. SafeGear Installation and Maintenance
Manual, document number: IB3.2.5-7C
Chapter 8.
d. Advance 27 Installation, Operations, and
Maintenance Manual, document number:
1VAL017002-MB Section 5.10.1.
This equipment may contain voltages at a level
which may cause death or serious injury. This
equipment should only be operated by qualified
personnel. Follow usage instructions and safety
precautions. Only use this equipment for its
nameplate rating.
WARNING
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Installation, Operations and Maintenance Manual
1VAL064601-MB Rev C
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Figure 3: Device installed in the switchgear breaker
compartment
Figure 4: Device installed in the SafeGear
compartment with bottom terminals to be tested.
5. Close and secure the switchgear breaker
compartment door.
6. Rack the device to the “Connect” position with the
racking tool. The device must be completely in the
“Connect” position. Reference the instructions for
the relevant switchgear found below:
a. SafeGear HD Installation, Operations and
Maintenance Manual, document number:
1VAL108001-MB Section 5.11.1.
b. Advance Installation and Maintenance
Manual, document number: IB3.2.6-7A
Chapter 8.
c. SafeGear Installation and Maintenance
Manual, document number: IB3.2.5-7C
Chapter 8.
d. Advance 27 Installation, Operations, and
Maintenance Manual, document number:
1VAL017002-MB Section 5.10.1.
Figure 5: The racking tool is used to move the device
between the connect and disconnect positions
7. Open the switchgear breaker compartment door.
8. Test the exposed terminal ends to assure there is
no voltage present on the terminal set to be
grounded.
Figure 6: Bottom terminals exposed for testing
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Installation, Operations and Maintenance Manual
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Figure 7: Top terminals exposed for testing
9. After establishing that the exposed terminal set is
de-energized, close the switchgear breaker
compartment door, and rack the device to the
disconnected position (see Figure 5).
10. With the device in the disconnected position, open
the switchgear breaker compartment door and
attach the upper or lower ground cables to the
exposed terminal set. Two cables per phase are
required for the SafeGear HD 63 kA G&T device
(see Figures 8 and 9). 5/15 kV 50 kA
Advance/SafeGear and 27 kV Advance G&T
devices only require one cable per phase (not
shown).
Figure 8: Top terminals grounded
Figure 9: Bottom terminals grounded (padlock hasp
not shown)
11. With the grounded cables attached, close and
secure the switchgear breaker compartment door
and rack the device into the “connect” position.
12. With the ground cables installed and the device
racked into the “connect” position, the terminal set
is connected to the switchgear ground bus.
3.2 Removing Ground/Withdrawing the Device
1. Rack the device to the disconnected position.
2. Open the switchgear breaker compartment door,
disconnect and remove the grounding cables.
3. Remove the padlock.
4. Use the lift truck to remove the device. Reference
the instructions for the relevant switchgear found
below:
a) SafeGear HD Installation, Operations and
Maintenance Manual, document number:
1VAL108001-MB Section 5.11.1.
b) Advance Installation and Maintenance
Manual, document number IB3.2.6-7A
Chapter 8.
c) SafeGear Installation and Maintenance
Manual, document number IB3.2.5-7C
Chapter 8.
d) Advance 27 Installation, Operations, and
Maintenance Manual, document number
1VAL017002-MB Section 5.10.2.
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Installation, Operations and Maintenance Manual
1VAL064601-MB Rev C
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3.3 Testing
Prior to each use, the following tests should be completed
to assure the G&T device is in good condition.
3.3.1 AC Withstand Voltage Test
1. Remove all grounding cables
2. For each terminal complete the following test
sequence:
a. Connect the high potential lead to one pole
b. Ground the remaining poles and G&T device
frame
c. Start machine with output potential at 0 (zero)
Vac/Vdc.
d. For a rated voltage of 15 kV, increase the
potential to 27 kVac RMS. If using dc, the test
potential should be 38 kVdc. For a rated
voltage of 27 kV, increase the potential to 45
kVac RMS or 45 kVdc if performing a DC test.
e. Hold for one minute
f. Decrease potential to 0 (zero) Vac/Vdc and
turn off machine
3. Repeat this testing for the remaining terminals
A successful withstand indicates satisfactory insulation
strength of the primary circuit.
3.3.2 Current Path Resistance
1. Connect the grounding cables for the terminal set to
be used (upper or lower)
2. Connect one lead from the test set to the ground
shoes on the bottom of the G&T device.
3. Connect the other lead from the test set to the
primary contact of the G&T device terminal to be
tested.
4. Measure the end-to-end grounding path resistance
through the primary disconnect, grounding cables
and ground shoes using a digital low resistance
ohmmeter (DLRO).
The measured resistance should not exceed 100 micro-
ohms.
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Installation, Operations and Maintenance Manual
1VAL064601-MB Rev C
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4. Usage and Operation for ReliaGear ND
G&T Devices
4.1 Grounding
1. Disconnect the grounding bus from the
terminal.
2. Remove grounding bus and clear the bus away
from the G&T.
3. If the opposite terminal location (upper or lower)
is needed, refer to section 4.3 for instructions.
Figure 10: Lower terminal configuration
without ground bus installed
Figure 11: Upper terminal configuration
without ground bus installed
4. Ensure proper procedures are followed for
removing the breaker and opening the
switchgear door.
5. Insert the device in the switchgear breaker
compartment using ReliaGear ND Installation,
Operations, & Maintenance Manual, document
number: 1VAL107501-MB section 5.10.
Figure 12: Lower terminal configuration in
disconnected position with field
distributors installed
This equipment may contain voltages at a level
which may cause death or serious injury. This
equipment should only be operated by qualified
personnel. Follow usage instructions and safety
precautions. Only use this equipment for its
nameplate rating.
WARNING
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