Areva MiCOM P341 User manual

MiCOM P341
Interconnection Protection Relay
Operation Guide
P341/EN O/B11

Operation Guide
MiCOM P341
Interconnection Protection Relay
Volume 2

Operation Guide P341/EN O/A11
Issue Control
MiCOM P341
ISSUE B Amendments completed 15.03.2002
Chapter Section Page Description
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Issue control
New section added
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Safety section
Section 6 : Second line of paragraph amended
1 3.1.1 7
Front panel
Last sentence added to paragraph 2
13.2 8
Introduction to the user interfaces and settings
options
IEC60870 & DNP3.0 bullets removed from extraction of
disturbance records
13.4 10
Password protection
Table 2 : Data amended
2--
Publication - P341 Interconnection Protection Relay
Publication amended and issue changed to P341/EN BR/Bc
3 4.2.7 14
RTD inputs
Section deleted
Setting record
The changes detailed below, apply to setting groups 1, 2, 3
& 4 respectively.
50 Table 3000 : Deleted
50 Table 3200 : Deleted
50 Table 3500 : Data amended
51 Table 3300 : Deleted
51 Table 3400 : Deleted
53 Table 3900 : Data amended
54 Table 3C00 : Deleted
54 Table 3D00 : Deleted
54 Table 4000 : Deleted
55 Table 4400 : Deleted
56 Table 4700 : New
57 Table 4A00 : Data amended
57 Table 4B00 : Data amended
10.
57 Table 4C00 : Deleted
App. A - -
Relay menu database
Amended to reflect latest relay software
App. C - -
Hardware/software version history and compatibility
New section added

P341/EN O/A11 Operation Guide
Issue Control
MiCOM P341

Operation Guide P341/EN O/B11
MiCOM P341
INTERCONNECTION PROTECTION RELAY
MICOM P341
CONTENT
Handling of Electronic Equipment
Safety Section
Introduction Chapter 1
Installation
Includes publication P341/EN BR/Bc,
P341 Interconnection Protection Relay
Chapter 2
Commissioning and Maintenance Chapter 3
Problem Analysis Chapter 4
Relay Menu Database Appendix A
External Connection Diagrams Appendix B
Hardware / Software Version History and Compatibility Appendix C
Repair Form

P341/EN O/B11 Operation Guide
MiCOM P341

HANDLING OF ELECTRONIC EQUIPMENT
A person’s normal movements can easily generate electrostatic potentials of several
thousand volts. Discharge of these voltages into semiconductor devices when
handling circuits can cause serious damage, which often may not be immediately
apparent but the reliability of the circuit will have been reduced.
The electronic circuitsofALSTOM T&DProtection & Control productsare immune to
the relevant levels of electrostatic discharge when housed in their cases. Do not
expose them to the risk of damage by withdrawing modules unnecessarily.
Each module incorporates the highest practicable protection for its semiconductor
devices. However, if it becomes necessary to withdraw a module, the following
precautions should be taken to preserve the high reliability and long life for which the
equipment has been designed and manufactured.
1. Before removing a module, ensure that you are a same electrostatic potential
as the equipment by touching the case.
2. Handle the module by its front-plate, frame, or edges of the printed circuit
board. Avoid touching the electronic components, printed circuit track or
connectors.
3. Do not pass the module to any person without first ensuring that you are both
at the same electrostatic potential. Shaking hands achieves equipotential.
4. Place the module on an antistatic surface, or on a conducting surface which is
at the same potential as yourself.
5. Store or transport the module in a conductive bag.
More information on safe working procedures for all electronic equipment can be
found in BS5783 and IEC 60147-0F.
If you are making measurements on the internal electronic circuitry of an equipment
in service, it is preferable that you are earthed to the case with a conductive wrist
strap.
Wrist straps should have a resistance to ground between 500k – 10M ohms. If a
wrist strap is not available you should maintain regular contact with the case to
prevent the build up of static. Instrumentation which may be used for making
measurements should be earthed to the case whenever possible.
ALSTOM T&DProtection & Control strongly recommends thatdetailedinvestigations
on the electronic circuitry, or modification work, should be carried out in a Special
Handling Area such as described in BS5783 or IEC 60147-0F.

CONTENT
1. SAFETY SECTION 3
1.1 Health and Safety 3
1.2 Explanation of symbols and labels 3
2. INSTALLING, COMMISSIONING AND SERVICING 3
3. EQUIPMENT OPERATING CONDITIONS 4
3.1 Current transformer circuits 4
3.2 External resistors 4
3.3 Battery Replacement 4
3.4 Insulation and dielectric strength testing 4
3.5 Insertion of modules and pcb cards 4
3.6 Fibre optic communication 4
4. OLDER PRODUCTS 5
5. DECOMMISSIONING AND DISPOSAL 5
6. TECHNICAL SPECIFICATIONS 6

1. SAFETY SECTION
This Safety Section should be read before commencing any work on the
equipment.
1.1 Health and Safety
The information in the Safety Section of the product documentation is intended to
ensure that products are properly installed and handled in order to maintain them in
a safe condition. It is assumed that everyone who will be associated with the
equipment will be familiar with the contents of the Safety Section.
1.2 Explanation of symbols and labels
The meaning of symbols and labels may be used on the equipment or in the product
documentation, is given below.
Caution : refer to product documentation Caution : risk of electric shock
Protective/safety *earth terminal Functional *earth terminal
Note: This symbol may also be
used for a protective/safety earth
terminal if that terminal is part of a
terminal block or sub-assembly
e.g. power supply.
*NOTE: THE TERM EARTH USED THROUGHOUT THE PRODUCT DOCUMENTATION IS THE
DIRECT EQUIVALENT OF THE NORTH AMERICAN TERM GROUND.
2. INSTALLING, COMMISSIONING AND SERVICING
Equipment connections
Personnel undertaking installation, commissioning or servicing work on this
equipment should be aware of the correct working procedures to ensure safety. The
product documentation should be consulted before installing, commissioning or
servicing the equipment.
Terminals exposed during installation, commissioning and maintenance may present
a hazardous voltage unless the equipment is electrically isolated.
If there is unlocked access to the rear of the equipment, care should be taken by all
personnel to avoid electrical shock or energy hazards.

Voltage and current connections should be made using insulated crimp terminations
to ensure that terminal block insulation requirements are maintained for safety. To
ensure that wires are correctly terminated, the correct crimp terminal and tool for the
wire size should be used.
Before energising the equipment it must be earthed using the protective earth
terminal, or the appropriate termination of the supply plug in the case of plug
connected equipment. Omitting or disconnecting the equipment earth may cause a
safety hazard.
The recommended minimum earth wire size is 2.5mm2, unless otherwise stated in the
technical data section of the product documentation.
Before energising the equipment, the following should be checked:
−Voltage rating and polarity;
−CT circuit rating and integrity of connections;
−Protective fuse rating;
−Integrity of earth connection (where applicable)
3. EQUIPMENT OPERATING CONDITIONS
The equipment should be operated within the specified electrical and environmental
limits.
3.1 Current transformer circuits
Do not open the secondary circuit of a live CT since the high level voltage produced
may be lethal to personnel and could damage insulation.
3.2 External resistors
Where external resistors are fitted to relays, these may present a risk of electric shock
or burns, if touched.
3.3 Battery Replacement
Where internal batteries are fitted they should be replaced with the recommended
type and be installed with the correct polarity, to avoid possible damage to the
equipment.
3.4 Insulation and dielectric strength testing
Insulation testing may leave capacitors charged up to a hazardous voltage. At the
end of each part of the test, the voltage should be gradually reduced to zero, to
discharge capacitors, before the test leads are disconnected.
3.5 Insertion of modules and pcb cards
These must not be inserted into or withdrawn from equipment whist it is energised
since this may result in damage.
3.6 Fibre optic communication
Where fibre optic communication devices are fitted, these should not be viewed
directly. Optical power meters should be used to determine the operation or signal
level of the device.

4. OLDER PRODUCTS
Electrical adjustments
Equipments which require direct physical adjustments to their operating mechanism
to change current or voltage settings, should have the electrical power removed
before making the change, to avoid any risk of electrical shock.
Mechanical adjustments
The electrical power to the relay contacts should be removed before checking any
mechanical settings, to avoid any risk of electric shock.
Draw out case relays
Removal of the cover on equipment incorporating electromechanical operating
elements, may expose hazardous live parts such as relay contacts.
Insertion and withdrawal of extender cards
When using an extender card, this should not be inserted or withdrawn from the
equipment whilst it is energised. This is to avoid possible shock or damage hazards.
Hazardous live voltages may be accessible on the extender card.
Insertion and withdrawal of heavy current test plugs
When using a heavy current test plug, CT shorting links must be in place before
insertion or removal, to avoid potentially lethal voltages.
5. DECOMMISSIONING AND DISPOSAL
Decommissioning: The auxiliary supply circuit in the relay may include capacitors
across the supply or to earth. To avoid electric shock or energy
hazards, after completely isolating the supplies to the relay (both
poles of any dc supply), the capacitors should be safely
discharged via the external terminals prior to decommissioning.
Disposal: It is recommended that incineration and disposal to water
courses is avoided. The product should be disposed of in a safe
manner. Any products containing batteries should have them
removed before disposal, taking precautions to avoid short
circuits. Particular regulations within the country of operation,
may apply to the disposal of lithium batteries.

6. TECHNICAL SPECIFICATIONS
Protective fuse rating
The recommended maximum rating of the external protective fuse for this equipment
is 16A, Red Spot type or equivalent, unless otherwise stated in the technical data
section of the product documentation.
Insulation class: IEC 601010-1 : 1990/A2 : 1995
Class I
EN 61010-1 : 1993/A2 : 1995
Class I
This equipment requires a
protective (safety) earth
connection to ensure user
safety.
Insulation
Category
(Overvoltage):
IEC 601010-1 : 1990/A2 : 1995
Category III
EN 61010-1 : 1993/A2 : 1995
Category III
Distribution level, fixed
installation. Equipment in this
category is qualification tested
at 5kV peak, 1.2/50µs,
500Ω, 0.5J, between all supply
circuits and earth and also
between independent circuits.
Environment: IEC 601010-1 : 1990/A2 : 1995
Pollution degree 2
EN 61010-1 : 1993/A2 : 1995
Pollution degree 2
Compliance is demonstrated
by reference to generic safety
standards.
Product Safety: 72/23/EEC
EN 61010-1 : 1993/A2 : 1995
EN 60950 : 1992/A11 : 1997
Compliance with the European
Commission Law Voltage
Directive.
Compliance is demonstrated
by reference to generic safety
standards.

Operation Guide P341/EN O/B11
MiCOM P341
CHAPTER 1
Introduction

P341/EN O/B11 Operation Guide
MiCOM P341

Operation Guide P341/EN O/B11
Introduction CHAPTER 1
MiCOM P341 Page 1/22
CONTENT
1. INTRODUCTION TO MICOM 3
2. INTRODUCTION TO MiCOM GUIDES 3
3. USER INTERFACES AND MENU STRUCTURE 5
3.1 Introduction to the relay 5
3.1.1 Front panel 5
3.1.2 Relay rear panel 7
3.2 Introduction to the user interfaces and settings options 8
3.3 Menu structure 8
3.3.1 Protection settings 9
3.3.2 Disturbance recorder settings 9
3.3.3 Control and support settings 10
3.4 Password protection 10
3.5 Relay configuration 11
3.6 Front panel user interface (keypad and LCD) 11
3.6.1 Default display and menu time-out 12
3.6.2 Menu navigation and setting browsing 13
3.6.3 Password entry 13
3.6.4 Reading and clearing of alarm messages and fault records 13
3.6.5 Setting changes 14
3.7 Front communication port user interface 14
3.8 Rear communication port user interface 16
3.8.1 Courier communication 16
3.8.2 Modbus communication 18
3.8.3 IEC 60870-5 CS 103 communication 19
3.8.4 DNP 3.0 communication 21

P341/EN O/B11 Operation Guide
CHAPTER 1 Introduction
Page 2/22 MiCOM P341
Figure 1: Relay front view 6
Figure 2: Relay Rear View 7
Figure 3: Menu Structure 9
Figure 4: Front Panel User Interface 12
Figure 5: Front Port Connection 15
Figure 6: Pc – Relay Signal Connection 16
Figure 7: Remote Communication Connection Arrangements 17