This relay is suitable for wall surface mounted indoors or outdoors or flush mounted into a control FR 52 Figure 1.1-1 Functional diagram of PCS-9613S 1.2 Functions 1 Protection funct
Trang 3Copyright © 2019 NR All rights reserved
NR, the NR logo are either registered trademarks or trademarks of NR Electric Co., Ltd No NR trademarks may be used without written permission NR products appearing in this document may
be covered by P.R China and foreign patents NR Electric Co., Ltd reserves all rights and benefits afforded under P.R China and international copyright and patent laws in its products, including but not limited to software, firmware and documentation NR Engineering Co., Ltd is licensed to use this document as well as all intellectual property rights owned or held by NR Electric Co., Ltd, including but not limited to copyright, rights in inventions, patents, know-how, trade secrets, trademarks and trade names, service marks, design rights, database rights and rights in data, utility models, domain names and all similar rights
The information in this document is provided for informational use only and does not constitute a legal contract between NR and any person or entity unless otherwise specified Information in this document is subject to change without prior notice
To the extent required the products described herein meet applicable IEC and IEEE standards, but no such assurance is given with respect to local codes and ordinances because they vary greatly
Although every reasonable effort is made to present current and accurate information, this document does not purport to cover all details or variations in equipment nor provide for every possible contingency to be met in connection with installation, operation, or maintenance Should further information be desired or should particular problems arise which are not covered sufficiently for your purposes, please do not hesitate to contact us
Trang 5Preface
About This Manual
The technical manual describes the protection, automation, control, and supervision functions of PCS S series device, and contains operation principle descriptions, and lists function blocks, logic diagrams, input and output signals, setting parameters and technical data, sorted per function, as well as the hardware of the device The manual can be used as a technical reference during the engineering phase and during normal service In addition, the manual also includes a glossary that lists and defines technical terms used throughout the manual
Safety Information
This manual is not a complete index of all safety measures required for operation of the equipment (module or device) However, it comprises important information that must be followed for personal safety, as well as to avoid material damage Information is highlighted and illustrated
as follows according to the degree of danger:
Indicates an imminently hazardous situation that, if not avoided, will result in death or serious injury
Indicates a potentially hazardous situation that, if not avoided, could result in death or serious injury
Indicates a potentially hazardous situation that, if not avoided, may result
in minor or moderate injury or equipment damage
Indicates that property damage can result if the measures specified are
not taken
Important information about the device, product handling or a certain section of the documentation which must be given particular attention
Instructions and Warnings
The following hazard statements apply to this device
Disconnect or de-energize all external connections BEFORE opening this
device Contact with hazardous voltages and currents inside this device
Trang 6Contact with instrument terminals can cause electrical shock that can result in injury or death
Use of this equipment in a manner other than specified in this manual can impair operator safety safeguards provided by this equipment
Have only qualified personnel service this equipment If you are not qualified to service this equipment, you can injure yourself or others, or cause equipment damage
This device is shipped with default passwords Default passwords should
be changed to private passwords at installation Failure to change each default password to a private password may allow unauthorized access
NR shall not be responsible for any damage resulting from unauthorized access
DO NOT look into the fiber (laser) ports/connectors
DO NOT look into the end of an optical cable connected to an optical
output
DO NOT perform any procedures or adjustments that this instruction
manual does not describe
During installation, maintenance, or testing of the optical ports, ONLY use
Trang 7Incorporated components, such as LEDs, transceivers, and laser emitters,
are NOT user serviceable Return units to NR for repair or replacement
Equipment components are SENSITIVE to electrostatic discharge (ESD)
Undetectable permanent damage can result if you do not use proper ESD procedures Ground yourself, your work surface, and this equipment
BEFORE removing any cover from this equipment If your facility is not
equipped to work with these components, contact NR about returning this device and related NR equipment for service
Insufficiently rated insulation can deteriorate under abnormal operating conditions and cause equipment damage For external circuits, use wiring
of SUFFICIENTLY RATED insulation that will not break down under
abnormal operating conditions
SEVERE power and ground problems can occur on the communications
ports of this equipment as a result of using non-standard cables Please use the wiring method recommended in the manual for communication terminals
DO NOT connect power to the relay until you have completed these
procedures and receive instruction to apply power Equipment damage can result otherwise
Use of controls or adjustments, or performance of procedures other than
those specified herein, may RESULT IN hazardous radiation exposure
The firmware may be upgraded to add new features or enhance/modify
existing features, please MAKE SURE that the version of this manual is
compatible with the product in your hand
Trang 8 The abbreviations and acronyms in this manual are explained in “Appendix A Glossary” The Glossary also contains definitions of important terms
Menu path is connected with the arrow "→" and bold
For example: the access path of protection settings is: MainMenu→Settings→Protection
Settings
Settings not in the table should be placed in brackets
For example: the system setting [Opt_SysFreq]
Cross-references are presented in italics
For example: refer to Figure 1.1-1, refer to Table 1.1-1, reference to Section 1.1
Binary input signals, binary output signals, analogs, LED lights, buttons, and other fixed meanings, should be written in double quotes and bold
For example: press the button "ENT"
Trang 11Provides information on viewing fundamental and metering quantities for voltages and currents,
as well as power and energy metering data
6 Supervision
Trang 12device operation problems
7 System Functions
Describes how to perform fundamental operations such as clock synchronization, communicating with the device, switching active setting group, checking relay status, reading event reports and SER (Sequential Events Recorder) records
8 Hardware
Describes the hardware of the PCS S series device family and provides general information on the product structure and the modules’ information
9 Settings
Provides a list of all PCS-9613S settings and their ranges, unit, steps, defaults The organization
of the settings is similar to the settings organization in the device and in the PCS-Studio configuration tool
Appendix A Glossary
Describes the abbreviations adopted in this manual
Document Revision History
PN: ZL_PCS-9613S_X_Technical Manual_EN_Overseas General_X
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Trang 151
The PCS-9613S relay can provide current differential protection, measurement, control and
monitoring functions for the feeder line in all systems of which the neutral point is effectively
grounded or not effectively grounded Many auxiliary functions such as fault location, fault
recording, event recording, communication functions and etc are also integrated into the device
This relay is suitable for wall surface mounted indoors or outdoors or flush mounted into a control
FR 52
Figure 1.1-1 Functional diagram of PCS-9613S
1.2 Functions
1 Protection functions
ANSI Protection Functions Remark
87 Current differential protection Steady-state current differential element (2 stages)
CT saturation detection
Trang 161 67P
50/51P Phase overcurrent protection
Optional direction element for each stage, including forward direction, reverse direction and non-direction
Optional definite-time characteristic and inverse-time characteristic for each stage
Selectable trip purpose or alarm purpose for each stage
Harmonic control element for each stage
67G 50/51G Earth fault protection
Up to 6 stages with independent logic
Optional direction element for each stage, including forward direction, reverse direction and non-direction
Optional measured zero-sequence current or calculated zero-sequence current
Optional definite-time characteristic and inverse-time characteristic for each stage
Selectable trip purpose or alarm purpose for each stage
Harmonic control element for each stage
50/51Q Negative-sequence overcurrent
protection
Up to 2 stages with independent logic
Optional direction element for each stage, including forward direction, reverse direction and non-direction
Optional definite-time characteristic and inverse-time characteristic for each stage
Selectable trip purpose or alarm purpose for each stage
50/51R RMS overcurrent protection
Up to 2 stages with independent logic
Full-current RMS value includes 2nd~11th harmonic component
Selectable trip purpose or alarm purpose for each stage
37 Undercurrent protection
Optional blocking condition, including circuit breaker position and current criterion
Optional “1-out-of-3” logic or “3-out-of-3” logic
Selectable trip purpose or alarm purpose for each stage
50BF Breaker failure protection
Breaker failure protection and re-trip function
Optional current criterion (phase overcurrent element, zero-sequence overcurrent element, negative-sequence overcurrent element)
It can be initiated by current, circuit breaker position or external binary input
Two time delays
50PSOTF
50GSOTF Switch-on-to-fault protection
One stage of phase overcurrent SOTF protection
One stage of earth fault overcurrent SOTF protection
Harmonic control element
Voltage control element for phase overcurrent SOTF protection
Trang 171
59P Overvoltage protection characteristic for each stage
Optional phase voltage or phase-to-phase voltage
Optional “1-out-of-3” logic or “3-out-of-3” logic
Selectable trip purpose or alarm purpose for each stage
27P Undervoltage protection
Up to 2 stages with independent logic
Optional definite-time characteristic and inverse-time characteristic for each stage
Optional phase voltage or phase-to-phase voltage
Optional “1-out-of-3” logic or “3-out-of-3” logic
Check mode using circuit breaker position and current criterion
Blocked by instantaneous VT circuit failure
Selectable trip purpose or alarm purpose for each stage 59Q Negative-sequence overvoltage
protection
Up to 2 stages with independent logic
Selectable trip purpose or alarm purpose for each stage 59Pos Positive-sequence overvoltage
protection
One stage of positive-sequence overvoltage protection
Selectable trip purpose or alarm purpose 59G Residual overvoltage protection Up to 2 stages with independent logic
Selectable trip purpose or alarm purpose for each stage 81O Overfrequency protection Up to 6 stages with independent logic
Voltage control element 81U Underfrequency protection Up to 6 stages with independent logic
Voltage control element 81R Frequency rate-of-change
protection
Up to 6 stages with independent logic
Voltage control element 32R Reverse power protection Up to 2 stages with independent logic
Selectable trip purpose or alarm purpose for each stage
25 Synchro-check Independent logic for auto-reclosing and manually closing
VTS Voltage transformer supervision
TCS Tripping circuit supervision
2 Control functions
Circuit breaker & disconnector control (Remote/Local)
Synchronism check for remote and manual closing
3 Measurement functions
Trang 18 DC power supply supervision
System frequency supervision
Two RS-485 serial ports using IEC 60870-5-103
One RS-485 serial port for clock synchronization
Support GOOSE communication module using IEC 61850-8-1 GOOSE
Full compatibility between IEC 61850 Editions 1 and 2
Redundancy protocols PRP and HSR
One front RJ45 port for debugging
Trang 191
Up to 15/18 (1/3U or 1/2U chassis) programmable target LEDs with user-configurable
labels
1 RS-232 or RS-485 rear ports for printer
Language switchover—English+ selected language
Configuration tool—PCS-Studio
7 Additional functions
User programmable logic
Fault location
Fault phase selection
System phase sequences rotation function (ABC or ACB)
Clock synchronization
IRIG-B: IRIG-B via RS-485 differential level or TTL level
PPS: Pulse per second (PPS) via RS-485 differential level or binary input
PPM: Pulse per minute (PPM) via RS-485 differential level or binary input
IEEE1588: Clock message based on IEEE1588 via optical fiber interface
SNTP (PTP): Unicast (point-to-point) SNTP mode via Ethernet network
SNTP (BC): Broadcast SNTP mode via Ethernet network
Message (IEC103/Modbus/DNP3.0): Clock messages through IEC103 protocol,
Modbus protocol and DNP3.0 protocol
Unified software and hardware platform, comprehensive power grid solutions of protection,
control, measurement and monitoring, easy to use and maintain
High reliability and redundancy design for drive systems of the sampling circuit and the output
circuit ensure that overall reliability of the device is high Real-time sampling based on dual AD
Trang 201 which can prevent from undesired operation caused by the abnormality of drive circuit of
output relays
Various function modules can satisfy various situations according to the different requirements
of users Flexible and universal logic programming, user-defined configuration of BI/BOs, buttons and LEDs and powerful analogue programming are supported
Modularized hardware design makes the device be easily upgraded or repaired by a qualified service person It can be combined with different I/O modules, with online self-check and monitoring function, and the device can be restored from abnormal operation only need to replace a single abnormal module
Support memory check and error correction function, ensure high reliability and safety
Support the internet communication protocol of native PRP/HSR and RSTP
Fully compatible with IEC 61850 edition 1 & edition 2, support MMS service, IEC 62351 communication service, GOOSE communication in station level & process level, SV communication with multi-sampling rate
Fully comply with cyber security standards, including IEC62443, IEC62351, IEEE1686, NERC-CIP, support role based access control (RBAC), security audit, security encryption communication and security tool, improve the cyber security capability of devices
Powerful COMTRADE fault and disturbance recording function is supported The whole recording time is automatically configurable by the fault duration, which is convenient to fault analysis and replay The recording sample rate is up to 9.6kHz
Settable secondary rated current (1A/5A) and settable voltage threshold of binary input
Support small size and large size LCD, control and multifunction button
Support flush mounting, semi-flush mounting, surface mounting, wall mounting and other mounting methods
Cross screw IO, CT/VT terminals can support AWG12 specification connector and 4mm2 lead
Multiple variants with case size 1/3 or 1/2 × 19"
Protection class of front side is up to IP54
PCS-Studio engineering tool is the application software on the user's PC for the interface with PCS S series devices providing all the related functionality It ranges from device configuration
to entire substation design of bay integration
Support IEEE1588, IRIG-B clock synchronization
Support actual system phase sequence, either ABC or ACB, incorrect connection of actual phase sequence can automatically be verified and relevant protection functions can be
Trang 211
abnormality in advance
Support setup up to 40 users and allow each user to own different password and access
authority
Fully integrates multi functions into one device and can realize the protection and monitoring
function of feeder line
Current differential protection
Two-terminal transmission line application
Phase-segregated differential protection employs steady quantities as protection criteria,
easy to set, quick to clear the fault, high sensitivity and immune to power swing and load
fluctuation
Current differential protection has the excellent resistance to CT saturation when external
fault As long as the correct transfer time is no less than 3ms, current differential
protection will ensure fast clearance of internal fault and non-operation of external fault
Current differential protection supports double fiber channel, parallel and independent,
either can be selected as main channel and seamlessly switched to standby channel
when main channel is abnormal
Unique and reliable differential logic and it can be set non-operation when CT circuit
failure under normal conditions
Both dedicated fiber channel and multiplexing fiber channel are supported, and single mode
and multi-mode channel combination operation mode is enable Communication rate supports
64kbit/s and 2Mbit/s, and communication protocol supports C37.94 and G.703
Comprehensive functionality includes phase overcurrent protection, earth fault overcurrent
protection, negative-sequence overcurrent protection, overvoltage protection, undervoltage
protection, frequency protection, reverse power protection, breaker failure protection,
undercurrent protection etc The breaker failure, reclosing, measuring, monitoring and control
function are supported
The overcurrent protection is combined with harmonic blocking logic, which can prevent
mal-operation affected by inrush current while the transformer is no-load energized
Selectable IEC, ANSI inverse-time characteristic curves that can be defined by users, and the
inverse-time drop-out curve selection is supported
Overvoltage and undervoltage protection support single phase and three phase operation
criteria setting, phase voltage and phase-to-phase voltage measurement mode are selectable,
which can be for various applications
Complete event recording function is provided: 64 latest protection operation reports, 1024
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Trang 242
2.10.2 Clock Performance 2-12 2.10.3 Fault and Disturbance Recording 2-12 2.10.4 Binary Input Signal 2-12
2.11 Protective Functions 2-12
2.11.1 Fault Detector (FD) 2-12 2.11.2 Current Differential Protection (87L) 2-13 2.11.3 Phase Overcurrent Protection (50/51P) 2-13 2.11.4 Earth Fault Protection (50/51G) 2-14 2.11.5 Negative-sequence Overcurrent Protection (50/51Q) 2-15 2.11.6 RMS Overcurrent Protection (50/51R) 2-16 2.11.7 Phase Overvoltage Protection (59P) 2-16 2.11.8 Residual Overvoltage Protection (59G) 2-16 2.11.9 Negative-sequence Overvoltage Protection (59Q) 2-16 2.11.10 Positive-sequence Overvoltage Protection (59Pos) 2-17 2.11.11 Phase Undervoltage Protection (27P) 2-17 2.11.12 Overfrequency Protection (81O) 2-17 2.11.13 Underfrequency Protection (81U) 2-17 2.11.14 Frequency Rate-of-change Protection (81R) 2-18 2.11.15 Reverse Power Protection (32R) 2-18 2.11.16 Undercurrent Protection (37) 2-18 2.11.17 Breaker Failure Protection (50BF) 2-19 2.11.18 Switch-on-to-Fault Protection (SOTF) 2-19 2.11.19 Auto-reclosing (79) 2-19 2.11.20 Transient Overreach 2-19 2.11.21 Fault Locator 2-20
Trang 252
“System phase sequence”, which can be set by PCS-Studio, this setting
informs the device of the actual system phase sequence, either ABC or ACB CT and VT inputs on the device, labelled as A, B and C, must be connected to system phase A, B and C for correct operation
Number Up to 4 current inputs according to various applications
600V 660V
Phase-to-phase 519V
1038V 1141V
Trang 26Permissible AC ripple voltage ≤15% of the nominal auxiliary voltage
Burden
Quiescent condition <15W (Default hardware configuration)
Additional for each energized SFP
0.25W ~ 0.35W
Additional for each BI module
Quiescent condition : <1W Additional for each energized binary input:
0.004W @ 24VDC 0.008W @ 48VDC 0.015W @ 110VDC 0.32W @ 220VDC 0.41W @ 250VDC Additional for each BO
module
Quiescent condition: <0.1W Additional for each energized binary output: <0.44W Additional module for SV
Trang 272
Maximum permissible voltage 300Vdc
Withstand voltage 2000Vac, 2800Vdc (continuously)
Number
Up to 34 (6U, 1/3, ring ferrule), 41 (6U, 1/3, pin ferrule), 84 (6U, 1/2, ring ferrule) or 105 (6U, 1/2, pin ferrule) binary inputs according to various hardware configurations
Settable pickup voltage and dropout voltage
Maximum permissible voltage 300Vac
Withstand voltage 2000Vac, 2800Vdc (continuously)
Number
Up to 34 (6U, 1/3, ring ferrule), 41 (6U, 1/3, pin ferrule), 84 (6U, 1/2, ring ferrule) or 105 (6U, 1/2, pin ferrule) binary inputs according to various hardware configurations
Settable pickup voltage and dropout voltage
Maximum permissible voltage 300Vdc
Withstand voltage 2000Vac, 2800Vdc (continuously)
Number
Up to 34 (6U, 1/3, ring ferrule), 41 (6U, 1/3, pin ferrule), 84 (6U, 1/2, ring ferrule) or 105 (6U, 1/2, pin ferrule) binary inputs according to various hardware configurations
Trang 282
Tripping/signalling contact
Pickup time (Typical value) <5ms
Dropout time (Resistive load) <6ms
Breaking capacity (L/R=40ms)
0.5A@48Vdc 0.35A@110Vdc 0.30A@125Vdc 0.20A@220Vdc 0.15A@250Vdc
Cyclic Capacity (2.5 cycle/second,
L/R=40ms)
0.5A@48Vdc 0.35A@110Vdc 0.30A@125Vdc 0.20A@220Vdc 0.15A@250Vdc
Short duration current
30A@3s 50A@1s Durability (Loaded contact) 10000 operations
Number
Up to 18 (6U, 1/3, ring ferrule), 22 (6U, 1/3, pin ferrule), 44 (6U, 1/2, ring ferrule) or 56 (6U, 1/2, pin ferrule) binary outputs according to various hardware configurations
Heavy-capacity tripping contact
MOV Protection (maximum voltage ) 350Vdc, 275Vac
Trang 292
Breaking capacity (L/R=40ms)
10A@48V 10A@110V 10A@125V 10A@250V
Cyclic Capacity (4cycles in 1 second,
followed by 2 minutes idle for thermal
dissipation)
10A@48V L/R=40ms 10A@110V L/R=40ms 10A@125V L/R=40ms 10A@250V L/R=20ms
Short duration current
30A@3s 50A@1s Durability (Loaded contact) 10000 operations
Number
Up to 4 (6U, 1/3, ring ferrule) or 12 (6U, 1/2, ring ferrule) heavy-capacity binary outputs according to various hardware configurations
2.2 Mechanical Specifications
Weight per device
Approx 8.66kg (6U, 1/2) Approx 6.93kg (6U, 1/3)
Location of terminal Rear panel of the device
Device structure Plug-in modular type @ rear side, integrated front plate
Protection Class
Rear side, connection terminals IP20
Trang 30Baud rate 4.8kbit/s, 9.6kbit/s, 19.2kbit/s, 38.4kbit/s, 57.6kbit/s, 115.2kbit/s
2.4.2 Ethernet Port
Trang 312
For Station Level and Process Level
Transmission power 50μm: Minimum -24dBm 62.5μm: Minimum -20dBm
Minimum receiving power Minimum -31dBm
For Differential Communications
2.4.4 Print Port
Baud Rate 4.8kbit/s, 9.6kbit/s, 19.2kbit/s, 38.4kbit/s, 57.6kbit/s, 115.2kbit/s
2.4.5 Clock Synchronization Port
Trang 32Damp heat test, cyclic IEC60068-2-30:2005
2.5.2 Mechanical Tests
2.5.3 Electrical Tests
Dielectric tests Test voltage 2kV, 50Hz, 1min
Impulse voltage tests Test voltage 5kV
Electrostatic discharge test
IEC 61000-4-2:2008 class Ⅳ For contact discharge: 8kV
Trang 332
Radio frequency interference tests
Frequency sweep Radiated amplitude-modulated 10V/m (rms), f=80~1000MHz, 14000~2700MHz Spot frequency
Radiated amplitude-modulated 10V/m (rms), f=80MHz/160MHz/450MHz/900MHz
Fast transient disturbance tests
IEC 60255-26:2013 Power supply, I/O, Earth: class Ⅳ, 4kV, 5kHz, 5/50ns Communication terminals: class Ⅳ, 2kV, 5kHz, 5/50ns
Surge immunity test
IEC 60255-26:2013 Power supply, AC input, I/O port: class Ⅳ, 1.2/50μs Common mode: 4kV
Differential mode: 2kV
Conducted RF Electromagnetic
Disturbance
IEC 60255-26:2013 Power supply, AC, I/O, Comm Terminal: Class Ⅲ, 10Vrms, 150 kHz~80MHz
Spot frequency 10V/m (rms), f=27MHz/68MHz Power Frequency Magnetic Field
Immunity
IEC 61000-4-8: 2009 class Ⅴ, 100A/m for 1min, 1000A/m for 3s
Pulse Magnetic Field Immunity
IEC 61000-4-9:2016 class Ⅴ, 6.4/16μs, 1000A/m for 3s Damped oscillatory magnetic field
immunity
IEC 61000-4-10:2016 class Ⅴ, 100kHz & 1MHz–100A/m
Conducted emission
IEC 60255-26:2013 0.15MHz~0.50MHz: 79dB (μV) quasi peak, 66dB (μV) average 0.50MHz~30MHz: 73dB (μV) quasi peak, 60dB (μV) average
Trang 342
Below 1GHz
50dB (μV/m) quasi peak @3m 230MHz~1000MHz: 47dB (μV/m) quasi peak @10m, 57dB (μV/m) quasi peak @3m
Above 1GHz
1GHz~3GHz: 56dB (μV/m) average, 76dB (μV/m) peak @3m
3GHz~6GHz: 60dB (μV/m) average, 80dB (μV/m) peak @3m
Auxiliary power supply performance
500ms for interruption without rebooting with energy storage board (Typical configuration)
EMC: 2014/30/EU, EN60255-26:2013
Products safety (LVD): 2014/35/EU, EN60255-27:2014
2.7 Liquid Crystal Display (LCD)
Trang 352
2.8 Terminals
2.8.1 Ring Ferrule
Connection Type Wire Size Screw Type Torque
Grounding (Earthing) Connection BVR type, 0.8~4mm2 lead M3 0.6~0.8 N⋅m
2.8.2 Pin Ferrule
Connection Type Wire Size Screw Type Torque
2.9 Measurement Scope and Accuracy
Item Range Accuracy
≤ 2.0% of rating (0.05~1.00In, 0.05~1.00Un)
≤ 1.0% of applied quantities (1.00~4.00In, 1.00~1.50Un)
Reactive power (VAr)
0.05~1.50Un 0.05~4.00In
≤ 2.0% of rating (0.05~1.00In, 0.05~1.00Un)
≤ 1.0% of applied quantities (1.00~4.00In, 1.00~1.50Un)
Trang 362
0.05~4.00In ≤ 1.0% of applied quantities (1.00~4.00In, 1.00~1.50Un)
Energy (Wh)
0.05~1.50Un 0.05~4.00In
≤ 2.0% of rating (0.05~1.00In, 0.05~1.00Un)
≤ 1.0% of applied quantities (1.00~4.00In, 1.00~1.50Un)
Energy (VAh)
0.05~1.50Un 0.05~4.00In
≤ 2.0% of rating (0.05~1.00In, 0.05~1.00Un)
≤ 1.0% of applied quantities (1.00~4.00In, 1.00~1.50Un)
2.10 Management Function
2.10.1 Control Performance
Response time of local control ≤1s
Response time of remote control ≤3s
2.10.2 Clock Performance
Real time clock accuracy ≤1s/day
Accuracy of GPS synchronization ≤1ms
External time synchronization IRIG-B (200-98), PPS, IEEE1588 or SNTP protocol
2.10.3 Fault and Disturbance Recording
Duration & Recording position Settable pre-disturbance, post-disturbance and maximum recorded
duration
2.10.4 Binary Input Signal
Resolution of binary input signal ≤1ms
Binary input mode Potential-free contact
2.11 Protective Functions
2.11.1 Fault Detector (FD)
2.11.1.1 DPFC Current Element
Trang 372
Current setting accuracy ≤2.5%×Setting or 0.02In, whichever is greater
2.11.2 Current Differential Protection (87L)
Current setting accuracy ≤2.5%×Setting or 0.01In, whichever is greater
Pickup time ≤30ms (at 2 times current setting)
Maximum operating time (at 4 times
current setting)
<30ms (Steady-state current differential element)
Minimum operating time (at 4 times
current setting)
<20ms (Steady-state current differential element)
2.11.3 Phase Overcurrent Protection (50/51P)
Without direction controlled element
Current setting accuracy ≤1%×Setting or 0.01In, whichever is greater
Voltage setting accuracy ≤1%×Setting or 0.1V, whichever is greater
Pickup time ≤25ms (at 2 times current setting)
Operating time delay accuracy
(Definite-time characteristics) ≤1%×Setting or 25ms (at 2 times current setting)
Operating time delay accuracy
(Inverse-time characteristics) ≤5% of calculated value + 1% current tolerance or 35ms (1.2≤I/Ip≤30)
Dropout time accuracy (Definite-time
Dropout time accuracy (Inverse-time
characteristics) ≤5% of calculated value or 30ms
With direction controlled element
Current setting accuracy ≤1%×Setting or 0.01In, whichever is greater
Voltage setting accuracy ≤1%×Setting or 0.1V, whichever is greater
Trang 382
Operating time delay accuracy
(Definite-time characteristics) ≤1%×Setting or 40ms (at 2 times current setting)
Operating time delay accuracy
(Inverse-time characteristics) ≤5% of calculated value + 1% current tolerance or 35ms (1.2≤I/Ip≤30) Dropout time accuracy (Definite-time
Dropout time accuracy (Inverse-time
characteristics) ≤5% of calculated value or 30ms
2.11.4 Earth Fault Protection (50/51G)
Without direction controlled element
Current setting accuracy ≤1%×Setting or 0.01In, whichever is greater
Pickup time ≤25ms (at 2 times current setting)
Operating time delay accuracy
(Definite-time characteristics) ≤1%×Setting or 25ms (at 2 times current setting)
Operating time delay accuracy
(Inverse-time characteristics) ≤5% of calculated value + 1% current tolerance or 35ms (1.2≤I/Ip≤30) Dropout time accuracy (Definite-time
Dropout time accuracy (Inverse-time
characteristics) ≤5% of calculated value or 30ms
With direction controlled element
Current setting accuracy ≤1%×Setting or 0.01In, whichever is greater
Voltage setting accuracy ≤1%×Setting or 0.1V, whichever is greater
Pickup time ≤40ms (at 2 times current setting)
Operating time delay accuracy
(Definite-time characteristics) ≤1%×Setting or 40ms (at 2 times current setting)
Operating time delay accuracy
≤5% of calculated value + 1% current tolerance or 35ms (1.2≤I/Ip≤30)
Trang 392
characteristics) ≤5% of calculated value or 30ms
2.11.5 Negative-sequence Overcurrent Protection (50/51Q)
Without direction controlled element
Current setting accuracy ≤1%×Setting or 0.01In, whichever is greater
Pickup time ≤25ms (at 2 times current setting)
Operating time delay accuracy
(Definite-time characteristics) ≤1%×Setting or 25ms (at 2 times current setting)
Operating time delay accuracy
(Inverse-time characteristics) ≤5% of calculated value + 1% current tolerance or 35ms (1.2≤I/Ip≤30)
Dropout time accuracy (Definite-time
Dropout time accuracy (Inverse-time
characteristics) ≤5% of calculated value or 30ms
With direction controlled element
Current setting accuracy ≤1%×Setting or 0.01In, whichever is greater
Voltage setting accuracy ≤1%×Setting or 0.1V, whichever is greater
Pickup time ≤40ms (at 2 times current setting)
Operating time delay accuracy
(Definite-time characteristics) ≤1%×Setting or 40ms (at 2 times current setting)
Operating time delay accuracy
(Inverse-time characteristics) ≤5% of calculated value + 1% current tolerance or 35ms (1.2≤I/Ip≤30)
Dropout time accuracy (Definite-time
Dropout time accuracy (Inverse-time
characteristics) ≤5% of calculated value or 30ms
Trang 402
Current setting accuracy ≤2.5%×Setting or 0.01In, whichever is greater
Pickup time ≤25ms (at 2 times current setting)
Operating time delay accuracy ≤1%×Setting or 25ms (at 2 times current setting)
Dropout time accuracy ≤1%×Setting or 30ms
2.11.7 Phase Overvoltage Protection (59P)
Voltage setting accuracy ≤1%×Setting or 0.1V, whichever is greater
Pickup time ≤35ms (at 1.1 times voltage setting)
Operating time delay accuracy
(Definite-time characteristics) ≤1%×Setting or 35ms (at 1.1 times voltage setting)
Operating time accuracy
(Inverse-time characteristics) ≤5% of calculated value + 1% voltage tolerance or 40ms (1.1≤U/Up≤2) Dropout time accuracy ≤1%×Setting or 30ms
Dropout ratio Settable 0.93~1.00, default value: 0.98
2.11.8 Residual Overvoltage Protection (59G)
Voltage setting accuracy ≤1%×Setting or 0.1V, whichever is greater
Pickup time ≤35ms (at 1.1 times voltage setting)
Operating time delay accuracy ≤1%×Setting or 35ms (at 1.1 times voltage setting)
Dropout ratio Settable 0.93~1.00, default value: 0.98
2.11.9 Negative-sequence Overvoltage Protection (59Q)
Voltage setting accuracy ≤1%×Setting or 0.1V, whichever is greater
Pickup time ≤35ms (at 1.1 times voltage setting)