Testing fields
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1、Relay protection and automation equipment |
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Reference : |
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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
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Test items: |
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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
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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)
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2、Fault Recorder |
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References: |
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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
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Test items: |
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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
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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)
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3、RTU (Remote Terminal Unit) |
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Reference: |
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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
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Test items: |
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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
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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) |
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4、FTU (Feeder terminal unit) |
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Reference: |
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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
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Test items: |
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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
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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) |
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5、GPS Time Synchronization system |
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Reference: |
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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
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Test items: |
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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
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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) |
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6、Power quality monitoring |
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Reference: |
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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
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Test items: |
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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
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Flicker Degrees of protection provided by enclosure Insulation performance Climatic environment test Mechanical Test Electromagnetic compatibility test (EMC test)
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7、 Load control and concentration copied table system |
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Reference: |
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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
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Test items: |
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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
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Stability Insulation performance Climatic environment test Mechanical Test Electromagnetic compatibility test (EMC test) Communication protocol
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8、DC power supply equipment |
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Reference: |
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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
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Test items: |
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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 Noise Protection and alarm Communication
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Degrees of protection provided by enclosure Against electric shock Climatic environment test Insulation performance Electromagnetic compatibility test (EMC test)
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9、AC and DC integrated power supply equipment |
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Reference: |
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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
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Test items: |
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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
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Dynamic voltage transient range Transient response recovery time Synchronization precision Frequency Unbalance factor of three-phase voltage Voltage three-phase deviation Voltage waveform distortion Bypass input isolation transformer and voltage regulator Electromagnetic compatibility test (EMC test) |
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10、Photovoltaic inverter / Photovoltaic power station / Energy storage inverter |
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Reference: |
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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, flicker（greater than 16A） IEC61000-3-12 Current harmonics（greater than 16A） IEC60146-1-1 Insulation performance IEC61000-3-2 Current harmonics（less than 16A） IEC61000-3-3 Voltage change, fluctuation, flicker（less 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
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Test items: |
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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
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Low voltage ride through DC input overload protection Short circuit protection Active power control Volt/var regulating Insulation resistance array Anti-islanding protection Insulation performance Climatic environment test Mechanical Test Degrees of protection provided by enclosure Communication Electromagnetic compatibility test (EMC test) |
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Reference: |
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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
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Test items: |
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Electric test Efficiency Grid-connected control Total Harmonic Distortion Grid voltage adaptive capacity
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Power device over-temperature protection Generator overspeed protection Power device hardware fault protection Open-phase protection Fault earthing Rotation error Surge overvoltage Stability Thermal withstand capability Degrees of protection provided by enclosure Insulation performance Climatic environment test |
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12、Electric vehicle charge & change equipment/station |
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Reference: |
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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 spotQ/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
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Test items: |
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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)
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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) |
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Reference: |
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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
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Test items: |
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Time-interval Electrical energy storage Self-checking event and warning 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
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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 |
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Reference: |
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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
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Test items: |
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The main equipment performance Communication and continuous operation System telecontrol Protocol Data processing, operation and storage Alarm and alert inhibition Graphical functions
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Operation parameter and status manual setting Remote control Remote adjustment System time Synchronization Stick plot and curve System Operations Security and stability Main performance indicators VQC ability Setting value viewing and modifying Fault record Fault recover |
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Reference: |
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DL/T 814-2013 Function specification of distribution automation systems
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Test items: |
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The main equipment performance Test configurations System data acquisition Power distribution simulation software System control System stick plot and curve System time Synchronization Distribution manage business platform, Management function Distribution SCADA system diagram System Operations Security and stability
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WEB Browsing Operation parameter and status manual setting System report processing Image resource maintenance system Insulation performance
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Reference: |
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IEC61400-25 Protocol test（wind power） IEC61850-7-410 Protocol test（hydroelectric/ energy storage system ） IEC61850-7-420 Protocol test（Distribution of energy） Transmission and distribution system IEC61869 Protocol test（electronic transformer） IEC61850/DNP V3.0/PROFIBUS/MODBUS Protocol test（substation automatic system） IEC62271-3(high voltage switch gear) IEC60870-6 Protocol test（Inter Control Center Communication） IEC60870-5-101/104、CDT Protocol test（telecontrol） IEEE C37.118 Protocol test（WAMS (wide area measurement system) ） IEC TR 62357 Protocol test（energy management system, Distribution management system） IEC 61968 Protocol test（Distribution management system） IEC60870-5-102/IEC61970/IEC62056/IEC62051-54/58-59 Protocol test (Electric energy metering system） IEC60870-5-103 Protocol test（bay level device） IEC61851 Protocol test（intelligent family、new energy and e-mobility） IEC62056/645 Protocol test（metering system）
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