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  Testing fields  


1、Relay protection and automation equipment

Reference :

IEC 60255-1:2009 Measuring relays and protection equipment - Part 1: Common requirements

EN 60255-1:2010 Measuring relays and protection equipment - Part 1: Common requirements

IEC 60255-5:2000 Electrical relays - Part 5: Insulation coordination of measuring  Relays and protect

IEC 60255-27:2013 Measuring relays and protection equipment - Part 27: Product safety requirements

EN 60255-27:2014 Measuring relays and protection equipment -Part 27: Product safety requirements

GB/T 14598.2-2011: Measuring relays and protection equipment -Part 1: Common requirements

GB/T 14598.2-2008: Measuring relays and protection equipment - Part 27: Product safety requirements

GB/T 7261-2016: Basic testing method for relaying protection and security automatic equipment

IEC60255-22 Electromagnetic compatibility series standards

IEC60255-25 Electromagnetic compatibility series standards

IEC60255-26 Electromagnetic compatibility series standards

IEC61000 Electromagnetic compatibility series standards

IEC61000 Electromagnetic compatibility series standards

Test items:

Instantaneous protection

Time-limited quick-break protection

Overcurrent protection

Inverse time protection

Directional element test

Zero sequence voltage latching current protection

PT line-break alarm protection

Bus ground alarm

Three phase one shot reclosure

Relay acceleration after auto-reclosing

Low-frequency Seperation

Under-voltage load Shedding

Undervoltage protection

Thermal overload protection

Differential protection

Distance protection

Loss-off field protection

Loss off synchronism protection

Measurement accurancy

Insulation performance

Mechanical Test

Climatic environment test

Safety test

Operative ranges of energizing quantities

Contact performance

Thermal withstand capability

Burden

Electromagnetic compatibility test (EMC test)


2、Fault Recorder

References:

DL/T 553-2013 General specification of power system dynamic recording equipment

IEC60255-22 Electromagnetic compatibility series standards

IEC60255-25 Electromagnetic compatibility series standards

IEC60255-26 Electromagnetic compatibility series standards

IEC61000 Electromagnetic compatibility series standards

EN61000 Electromagnetic compatibility series standards

Test items:

AC voltage/current phase consistency

Harmonic analysis capacity

Switching value resolution

Aperiodic component recording performance

Active/reactive power recording performance

Frequency recording performance

High-frequency channel signals recording

Start-up value test

Safety of recording data

Retrieval and Search Method of data files

Output method and transmission function of recording data

Clock synchronization function

AC voltage/current linear range

Zero-drift

Binary inputs test

Software analysis test

Insulation performance

Burden

Operative ranges of auxiliary energizing quantities

Climatic environment test

Safety test

Mechanical Test

Thermal withstand capability

Electromagnetic compatibility test (EMC test)


3、RTU (Remote Terminal Unit)

Reference:

GB/T 13729-2002 Remote terminal unit equipment

DL/T 630-1997 Technical requirement for RTU with a.c. electrical quantities inputs, discrete sampling

IEC60255-22 Electromagnetic compatibility series standards

IEC60255-25 Electromagnetic compatibility series standards

IEC60255-26 Electromagnetic compatibility series standards

IEC61000 Electromagnetic compatibility series standards

EN61000 Electromagnetic compatibility series standards

Test items:

Intrinsic error of analog quantity (DC, WF)

The change induced by the input frequency variation

The change induced by the measurand out of range

The change induced by the unbalanced measurand

The change induced by the power factor variation

The change induced by the input wave distortion

The change induced by the line-to-line interaction

Self-heating influence

Fault current

State input

Pulse test

Control output contact capacity

Sequence of events

Communication

Remote control

Signal-response time

Telemetry scanning period

Continuous power supply

Operative ranges of auxiliary energizing quantities

Insulation performance

Climatic environment test

Mechanical Test

Burden

Electromagnetic compatibility test (EMC test)

4、FTU (Feeder terminal unit)

Reference:

DL/T 721-2013 Remote terminal unit of distribution automation

IEC60255-22 Electromagnetic compatibility series standards

IEC60255-25 Electromagnetic compatibility series standards

IEC60255-26 Electromagnetic compatibility series standards

IEC61000 Electromagnetic compatibility series standards

EN61000 Electromagnetic compatibility series standards

Test items:

Intrinsic error of analog quantity (DC, WF)

State input

Sequence of events

Remote control

Communication

Standby power supply self-closing equipment

Fault current

Dry heat & cold–operational

Operative range of power supply

The change induced by the input frequency variation

The change induced by the measurand out of range

The unbalanced currents influence to three-phase power


The change induced by the power factor variation

The change induced by the input wave distortion

The change induced by the line-to-line interaction

The change induced by the input voltage variation

The change induced by the input current variation

Self-heating influence

Burden

Instantaneous excess input

Continuous excess input

Stability

Insulation performance

Climatic environment test

Mechanical Test

Electromagnetic compatibility test (EMC test)

5、GPS Time Synchronization system

Reference:

GB/T 26866-2011 Testing specifications of time synchronism systems for power system

DL/T 1100.1-2009 Time synchronism systems of power system

IEC60255-22 Electromagnetic compatibility series standards

IEC60255-25 Electromagnetic compatibility series standards

IEC60255-26 Electromagnetic compatibility series standards

IEC61000 Electromagnetic compatibility series standards

EN61000 Electromagnetic compatibility series standards

Test items:

TTL electrical signal interface

Idle contact interface

RS-232 interface

RS485/RS422 interface

Optical fiber interface

Modulation communication interface

Internet interface

Output interface driver performance

Timekeeping capability

Status indication

Alarm contact output


Transmission time delay compensation (for Master-slave mode)

Frequency measurement of power grid

Basic time synchronization system

Master-slave time synchronization system

Basic time synchronization system

Insulation performance

Climatic environment test

Mechanical Test

Electromagnetic compatibility test (EMC test)

6、Power quality monitoring

Reference:

GB/T 19862-2005 General requirements for monitoring equipments of power quality

IEC60255-22Electromagnetic compatibility series standards

IEC60255-25Electromagnetic compatibility series standards

IEC60255-26Electromagnetic compatibility series standards

IEC61000Electromagnetic compatibility series standards

EN61000Electromagnetic compatibility series standards

Test items:

Monitoring function

Display function

Communication interface

Restrictions Management

Setting function

Statistics function 

Record and storage

Measurement accuracy

Unbalance factor of three-phase voltage

Unbalance factor of three-phase current

Harmonic measurement

Voltage fluctuation



Flicker

Degrees of protection provided by enclosure

Insulation performance

Climatic environment test

Mechanical Test

Electromagnetic compatibility test (EMC test)





7、 Load control and concentration copied table system

Reference:

Q/GDW 1379.3-2013 Power user electric energy data acquisition system testing technical specification

IEC60255-22Electromagnetic compatibility series standards

IEC60255-25Electromagnetic compatibility series standards

IEC60255-26Electromagnetic compatibility series standards

IEC61000Electromagnetic compatibility series standards

EN61000Electromagnetic compatibility series standards

Test items:

Fire test on enclosure and terminals

Open-phase of power supply

Variation of power supply

Burden

Data and time keeping

Resistance to fault earthing

Data transmission channel

Functions


Stability

Insulation performance

Climatic environment test

Mechanical Test

Electromagnetic compatibility test (EMC test)

Communication protocol


8、DC power supply equipment

Reference:

GB/T 19826-2014 General specification and safety requirements for DC power supply equipment of power projects

DL/T 459-2000 Specifications of DC supply cabinet in power system

DL/T 781-2001 High frequency switching converter module in power system

YD/T 1058-2015 High frequency switch-mode power supply for communications

YD/T 731-2008 High frequency switch-mode rectifier for telecommunications

DL/T 637-1997 Specifications for order of the valve regulated sealed lead-acid batteries

IEC60255-22 Electromagnetic compatibility series standards

IEC60255-25 Electromagnetic compatibility series standards

IEC61000 Electromagnetic compatibility series standards

Test items:

Voltage regulation accuracy

Current regulation accuracy

Ripple coefficient

DC current/voltage output accuracy

Voltage and current limiting characteristic

Efficiency

Power factor

Module current sharing accuracy

Battery voltage test

DC supply ability

Noise

Protection and alarm

Communication



Charging function

Degrees of protection provided by enclosure

Against electric shock

Harmonic current limit

Climatic environment test

Insulation performance

Electromagnetic compatibility test (EMC test)





9、AC and DC integrated power supply equipment

Reference:

DL/T 1074-2007 Integrated uninterruptible power supply equipment of DC and AC for power system

GB/T 19826-2014 General specification and safety requirements for DC power supply equipment of power projects

Test items:

Insulation performance

Degrees of protection provided by enclosure

Noise

Temperature rise

Stable voltage accuracy

Ripple coefficient

Parallel operation current sharing

Efficiency and power factor

Alarm and protection

Monitoring

Harmonic current 

Dynamic voltage transient range

Transient response recovery time

Synchronization precision

Frequency

Unbalance factor of three-phase voltage

Voltage three-phase deviation

Voltage waveform distortion

Total switching time

Bypass input isolation transformer and voltage regulator

Electromagnetic compatibility test (EMC test)

10Photovoltaic inverter / Photovoltaic power station / Energy storage inverter

Reference:

NB/T 32004-2013 Technical specification of grid-connected PV inverter

GB/T 19964-2012 Technical requirements for connecting photovoltaic power station to power system

GB/T 29319-2012 Technical requirements for connecting photovoltaic power station to distribution network

GB/T 30427-2013 Technical requirements and test methods for grid-connected PV inverters

CNCA/CTS 0002-2014 Technical specification for China efficiency of grid connected PV inverters

CNCA/CTS 0012-2013 Technical requirement and test method for grid-connected PV micro inverter

CNCA/CTS 0033-2015 Technical requirements for commissioning test for PV system

CNCA/CTS 0001-2011A Technical requirements for PV combiner assemblies

NB/T 31016-2011 General specification for power control system of battery Energy storage system

IEC61000-3-11 Voltage change, fluctuation, flickergreater than 16A

IEC61000-3-12 Current harmonicsgreater than 16A

IEC60146-1-1 Insulation performance

IEC61000-3-2 Current harmonicsless than 16A

IEC61000-3-3 Voltage change, fluctuation, flickerless than 16A

IEC61727 Photovoltaic (PV) systems - Characteristics of the utility interface

EN 60068-2-2 Dry heat

EN 60068-2-78 Damp heat

EN 60068-2-1 Cold

EN 60068-2-14 Change of temperature

Test items:

Maximum of Conversion efficiency

MPPT efficiency

Conversion efficiency

Harmonic current and THD

Power factor

Unbalance factor of three-phase voltage

DC component

Over-voltage/under-voltage protection

Over-frequency/under-frequency protection

Noise



Low voltage ride through

DC input overload protection

Short circuit protection

Active power control

Volt/var regulating

Insulation resistance array

Residual current array

Anti-islanding protection

Insulation performance

Climatic environment test

Mechanical Test

Degrees of protection provided by enclosure

Communication

Electromagnetic compatibility test (EMC test)

11Wind power converter

Reference:

GB/T 25388.1-2010 Double-fed converter of wind turbine generator system - Part 1: Technical condition

GB/T 25388.2-2010 Double-fed converter of wind turbine generator system - Part 2: Test method

GB/T 25387.1-2010 Double-fed converter of wind turbine generator system - Part 1: Technical condition

GB/T 25387.2-2010 Full-power converter of wind turbine generator systems - Part 2: Test method

Test items:

Electric test

Efficiency

Grid-connected control

Load test

Total Harmonic Distortion

The unit power factor

Grid voltage adaptive capacity

Overcurrent protection

DC-link voltage protection





Power device over-temperature protection

Generator overspeed protection

Power device hardware fault protection

Open-phase protection

Fault earthing

Rotation error

Surge overvoltage

DC voltage ripple coefficient

Stability

Thermal withstand capability

Degrees of protection provided by enclosure

Insulation performance

Climatic environment test

12、Electric vehicle charge & change equipment/station

Reference:

GB/T 18487.1-2015 Electric vehicle conductive charging system-Part1: General requirements

GB/T 27930-2015 Communication protocols between off-board conductive charger and battery management system for electric vehicle

GB/T 20234.1-2015 Connection set for conductive charging of electric vehicles-Part1: General requirements

GB/T 20234.2-2015 Connection set for conductive charging of electric vehicles-Part2: AC charging coupler

GB/T 20234.3-2015 Connection set for conductive charging of electric vehicles-Part3: DC charging coupler

NB/T 33001-2010 Specification for electric vehicle off-board conductive charger

NB/T 33002-2010 Specification for electric vehicle A.C charging point

NB/T 33008.1-2013 Inspection and test specifications for electric vehicle charging equipment-Part1: off-board charger

NB/T 33008.2-2013 Inspection and test specifications for electric vehicle charging equipment-Part2: A.C charging point

Q/GDW 1233-2014 Electric vehicle off-board charger general requirements

Q/GDW 1235-2014 Electric vehicle off-board charger Communication protocols

Q/GDW 1485-2014 Technical specification for Electric vehicle A.C charging spot

Q/GDW 1591-2014 Electric vehicle off-board charger testing technical specification

Q/GDW 1592-2014 Electric vehicle A.C charging spot testing technical specification

Q/CSG 1211012-2016 Technical specification for electric vehicle AC charging spot

Q/CSG 1211013-2016 Technical specification for electric vehicle off-board charger

China Southern Power Grid electric vehicle AC charging spot testing technical specification

China Southern Power Grid electric vehicle off-board charger testing technical specification

Test items:

AC charging spot

Charging connection method inspection

Pile body and basic structure inspection

Electric module inspection

Electric energy meter inspection

leakage current test

Control pilot test

Safety requirements

Mechanical strength test

Insulation performance test

Climatic environment test

Degrees of protection provided by enclosure test

Electromagnetic compatibility test (EMC test)



Off-board charger

Stable voltage accuracy

Stable voltage accuracy

Ripple rest

Efficiency test

Power factor test

Current sharing test

Voltage limiting characteristic test

Current limiting characteristic test

Safety requirements

Noise

Limit for harmonic current emissions

Mechanical strength test

Degrees of protection provided by enclosure test

Control pilot test

Insulation performance test

Climatic environment test

Communication protocols test

Electromagnetic compatibility test (EMC test)

12Electric energy metering system

Reference:

DL/T 743-2001 Remote terminal unit of integrated totals

DL/T 719-2000 companion standard for the transmission of integrated totals in electric power systems

IEC60255-22 Electromagnetic compatibility series standards

IEC60255-25 Electromagnetic compatibility series standards

IEC61000 Electromagnetic compatibility series standards

Test items:

Time-interval Electrical energy storage

Self-checking event and warning

Empty contact output alarm

Influence of accidental power lost to terminal storage

The master station access validation capability

Multi-master  connectivity capability

Terminal  timing function

Electric energy data classification and query

Data integrity during communicate with master station

Electric energy data correctness

Electric energy data Quality process

Single-point information correctness

Electrical energy storage ability after power-lossing

Main and standby power sources switching process

The master station configuration

Reliability of communication network after interruption

Timing function for electric energy meter

Time correction impact on Terminal database

Single-point information classification

Insulation performance

Climatic environment test

Mechanical Test

Electromagnetic compatibility test (EMC test)

Communication protocol

13Substation automatic system

Reference:

GB/T 13730-2002 Dispatching automation systems for district power networks

GB/T 13729-2002 Remote terminal unit equipment

GB/T 7261-2016 Basic testing method for relaying protection and security automatic equipment

Test items:

The main equipment performance

Communication and continuous operation

Data acquisition 

System telecontrol 

Protocol

System configuration

Redundancy

Data processing, operation and storage

Alarm and alert inhibition

Graphical functions




Operation parameter and status manual setting

Remote control

Remote adjustment

System time Synchronization

Stick plot and curve

System Operations Security and stability

System response time

Main performance indicators

Inquiry function

VQC ability

Setting value viewing and modifying

Fault record

Fault recover

14Distribution automation system

Reference:

DL/T 814-2013 Function specification of distribution automation systems

Test items:

The main equipment performance

Test configurations

System data acquisition

Power distribution simulation software

System control

System stick plot and curve

Data processing

System time Synchronization

Distribution manage business platform, Management function

Distribution SCADA system diagram

System Operations Security and stability

Incident Handling and load transfer


WEB  Browsing

Operation parameter and status manual setting

System response time

System report processing

 Image resource maintenance system

Insulation performance




15Communication protocol

Reference:

Power generation system

IEC61400-25 Protocol testwind power

IEC61850-7-410 Protocol testhydroelectric/ energy storage system 

IEC61850-7-420 Protocol testDistribution of energy

Transmission and distribution system

IEC61869 Protocol testelectronic transformer

IEC61850/DNP V3.0/PROFIBUS/MODBUS Protocol testsubstation automatic system

IEC62271-3(high voltage switch gear)

IEC60870-6 Protocol testInter Control Center Communication

IEC60870-5-101/104CDT Protocol testtelecontrol

IEEE C37.118 Protocol testWAMS (wide area measurement system) 

IEC TR 62357 Protocol testenergy management system, Distribution management system

IEC 61968 Protocol testDistribution management system

IEC60870-5-102/IEC61970/IEC62056/IEC62051-54/58-59

Protocol test (Electric energy metering system

IEC60870-5-103 Protocol testbay level device

IEC61851 Protocol testintelligent familynew energy and e-mobility

IEC62056/645 Protocol test(metering system