The serial number	A pilot project	Project requirement	Recommend equipment
1	Transformer test class	35kV high voltage cable, high voltage switch, circuit breaker, PT/CT, 110kV transformer, etc	HYG- frequency conversion resonant withstand voltage test device
		Cable insulation performance	Hyg-5000v insulation resistance tester
		Find cable fault	Hyg-2013 cable fault tester
2	Transformer test class	50KVA/110KV transformer to ground withstand test	HYG- frequency conversion resonant withstand voltage test device
		Circuit breaker conductive loop contact resistance measuring range: 0-1999.9 mu Ω Measuring current: dc ≥200A	Hyg-200a circuit resistance tester
		Grounding between transformer and switch cabinet	Hyg-2571 earth resistance tester
		Transformer, voltage transformer ratio and group Conversion ratio: 1 ~ 9999.9 category: 0 ~ 11	HYG-10000 full automatic variable ratio group tester
		All three channels output 10A at the same time	Hyg-10a transformer dc resistance tester
		5000V	Hyg-5000v insulation resistance tester
		Breakdown withstand test of insulating oil at 80KV	Dielectric strength test of hyg-a insulating oil
		Winding deformation	Deformation test of hyg-500 transformer winding
		Transformer, PT, CT capacitance and dielectric loss measurements Anti-jamming index: frequency conversion anti-jamming, automatic identification of capacitance, inductance and resistance。	Hyg-8000 anti-interference dielectric loss automatic measuring instrument
3	Switch cabinet test class	Switchgear withstand test 95KV	Hyg-10kva /100kV withstand test
		The insulation performance of the transformer is 5000V	Hyg-5000v insulation resistance tester
		Test the contact resistance at the copper connection 200A	Hyg-200a circuit resistance tester
4	Zinc oxide test class	Dc parameter test 120KV	Hyg-120kv /2mA dc high voltage generator
		Ac parameter test	HYG-IV zinc oxide arrester
5	PT/CT test class	Power frequency withstand voltage	HYG- pressure test
		CT volt-ampere characteristics, 5% and 10% error curves, variable ratio, polarity, demagnetization, secondary loop, secondary ac withstand, PT volt-ampere characteristics, variable ratio, polarity, secondary ac withstand test functions	HYG-1000BTransformer comprehensive tester
		Measurement of capacitance and dielectric loss of transformer, PT and CT, anti-interference indicators: frequency conversion anti-interference, automatic identification of capacitance, inductance and resistance.	HYG-8000Anti-interference dielectric loss automatic measuring instrument
6	Comprehensive insurance test test class	Integrated protection test: voltage protection, current protection, differential protection, low cycle protection, whole group Test output 3 phase current, 3 phase voltage single phase current output 0 ~ 40A Single-phase voltage output 0 ~ 120V	HYG-103Microcomputer relay protection tester
7	Generator set test class	Generator rotor ac impedance tester	10kv  18MW
8	Other test items	cable	HYG-5000VDigital megohm meter
		On-load tap-changer is the transition time, transition of waveform, transition resistance, the precise measurement of the parameters such as phase synchronism (range: 0.3 ~ 40 Ω precision Ω 0.3 ~ 1 Ω Ω 0.1 mm, 1 Ω ~ 40 Ω + / - 5%)	HYG-2009On-load tap changer characteristic tester
		Grounding grid measurement at substations of 500kV and below Current output:：AC:5A可选、 Measuring range：0～150Ω（Pile impedance with current） Power frequency/crossover interference rejection	HYG-5AEarth grid grounding resistance tester
		The capacitance of reactive compensation capacitor bank is measured without removing stitches Capacitance range：0.1μF ～ 2,000μF	HYG-300Automatic capacitance and inductance tester
		High voltage switch mechanical characteristic measurement	HYG-2008High voltage switch dynamic characteristic tester
		Transformer short-circuit impedance and load loss, no-load current and no-load loss measurement Current measuring range：0.5A～60A Voltage range：10V～650V	HYG-400ATransformer no-load load characteristic tester
		Vacuum degree of vacuum circuit breaker Measuring range：10-5 ～ 10-1 Pa	HYG-2010Vacuum switch vacuum test
		Test voltage measurement (measuring range 0-300kv accuracy 0.5%)	HYG-300kVAc-dc voltage divider
		CTUpwl check, including 2 2.5m current lines （Maximum output 5000A gauge head accuracy 1.5%）	HYG-5000AHigh current generator
		Wireless detection line phase Angle, frequency, voltage waveform (phase difference measurement accuracy：± 3 degree frequency accuracy：±1Hz；）	HYG-110kVHigh pressure nuclear phase equipment
		Frequency response method and plane phase method	HYG-IIArrester discharge counter
		The measurement temperature control range of gas composition in transformer oil： Column room: room temperature +15℃ - 399℃ Vaporization chamber: room temperature +30℃ - 399℃ Reformer: room temperature +30℃ - 399℃ Thermal conductivity detector: room temperature +30℃ - 399℃ Hydrogen flame detector: room temperature +30℃ - 399℃ Accuracy: + / - 0.1 ℃	HYG-815ATransformer oil chromatograph
		Used for the determination of flash point of liquid that can form surface film of solid suspension of insulating oil under test conditions (measuring range 0-250℃ accuracy ±0.5%)	HYG-805Closed flash point meter (automatic)
		The acid value of the insulating oil was measured (measurement range: 0.001~0.400mgKOH/g) Accuracy: acid value between 0~ 0.100mgkoh /g is 0.005mgkoh /g and acid value between 0.100~ 0.400mgkoh /g is 5%)	HYG-806Acid meter
		Dielectric loss of insulating oil: capacitance: 1pF~200pF dielectric loss: Measurement accuracy: capacitance: ± (0.5%×C+1pF) dielectric loss: ± (1%×D+0.00008) resolution: capacitance: 0.01pf dielectric loss: 1×10-5	HYG-0810Oil dielectric loss tester
		SF6 density relay calibration: lockout return value, alarm return value, overpressure return value, alarm value, lockout value, overpressure value (accuracy ±0.25%)	HYG-603ASF6Gas density relay calibrator
		Detection range: 10 ~ 30 × 1/1 100 ~ 200 × 1/1 300 ~ 500 × 1/1 indication error: ≤±3%	HYG-602 High precision SF6 gas leak detector
		Moisture content in SF6 gas was measured The dew point: Measurement range: -60 ℃ ~ +20 ℃ Measurement accuracy: ±0.5℃ (-60℃ ~ +20℃) Response time (+20℃) : < 3 min	HYG-606 SF6Intelligent moisture meter
		Insulation resistance measurement	multimeter
		Test voltage measurement	QJWheatstone bridge
		Dc resistance measurement	QJ44Double bridge
		Dc resistance measurement	HYG-3000Digital double - clamp phase voltammeter
		Current and voltage loop check	Phase sequence table
		Indicates the phase sequence of the three-phase sinusoidal ac power supply	Clamp ammeter
		Current measurement	HYG-Dc stabilized voltage stabilized current power supply
		Secondary load measurement	HYG-Transformer secondary load tester