220/245kVCommon test equipment for substation
1、High voltage power supply
| No. | Name | Specifications Model | Quantity | Function |
| 1 | DC High voltage generator | RDZG-400kV/2mA | 1 set | DC voltage withstand test of power transformer, cable and other equipment; DC characteristic test of zinc oxide arrester |
| Output voltage DC: 400KV, Current 2mA | ||||
| 2 | Frequency conversion resonant voltage test device | RDXZ-1600kVA/500kV | 1 set | Substation of 220kV and below: CT, PT, breaker, switch, wall feed-through sleeve, post insulator and insulating tools |
| Output voltage AC: 500kV， current 1A | ||||
| 3 | Light test transformer | RDYD-25kVA/250kV | 1 set | Voltage withstand test of transformer, switch, PT, CT and other electric equipment |
| Output voltage AC: 250kV capacity: 25kVA | ||||
| 4 | Induction voltage test device | RDDBF-30kVA | 1 unit | Induction voltage withstand test of transformer |
| No. | Name | Specifications | Quantity | Function | |
| 1 | Transformer DC resistance tester | RDZR-50A | 1 unit | transformer winding measurement maximum output current 50A | |
|
Range：40μΩ～400mΩ （50A） 100μΩ～1Ω （20A） 500μΩ～2Ω （10A） 1mΩ～4Ω （5A） |
|||||
| 2 | Loop Resistance Teste | RDH-100A | 1 unit | Contact resistance measurement of breaker’s galvanic circle | |
| Measuring range: 0-1999.9μΩ | |||||
| Measuring current: DC≥100A | |||||
| 3 | Ground resistance tester | RD2571-II | 1 unit | Transformer and line of 220kV and below | |
| 4 | Large ground network grounding resistance tester | RDWR-5A | 1 unit | Transformer and line of 220kV and below | |
| 5 | Transformer volt-ampere characteristic tester | RDHG-F | 1 unit | Measure 5% and 10% of error bars, ratio and polarity of CT, and validate whether it could satisfy the requirement of protection device | |
| Maximum output current: 600A | |||||
| Maximum output voltage: 2500V | |||||
| 6 | Anti-interference dielectric automatic tester | RD8000 | 1 unit | Testing of transformer, PT, CT, capacity and dielectric loss | |
| Anti-interference index: Frequency interference, can fulfill accuracy requirement under 200% interference | |||||
| Capacity range: 3pF～60000pF/10kV 60pF～1μF/0.5kV | |||||
| Tgδ range: unlimited; resolution ratio 0.001%; auto recognition of capacity, inductance and resistance | |||||
| 7 | Automatic capacitance inductance tester | RD-500L | 1 unit | Non-disassembly measurement of the capacity of capacitor bank | |
| Capacity range: 0.1μF ～ 2,000μF； | |||||
| 8 | Automatic transformer turn ratio & group tester | RDB-II | 1 unit | Ratio & group of transformer & AT | |
| Testing range: ratio: 1～9999.9; group: 0～11 | |||||
| 9 | Circuit breaker characteristic tester | RDGC-8 | 1 unit | Measurement of 12 fracture, motion time, synchronism, bounce process, contact gap, travel and component and resultant velocity | |
| Time: range 4000.0ms; resolution ratio 0.1ms | |||||
| Velocity: range 20.00m/s; resolution ratio 0.01m/s | |||||
| Travel: range 600MM | |||||
| 10 | Zinc Oxide arrester tester | RDYZ-306 | 1 unit |
Measure the total current, resistant current and its harmonic wave, power frequency voltage, active power and phase difference current Range of measurement: 0 ～ 10mA |
|
| Voltage output range: 10 ～ 200V | |||||
| Accuracy: ±3% | |||||
| 11 | Three phase microcomputer relay protection tester | RDJB-1200 | 1 unit | Comprehensive security detection: voltage protection, current protection, differential protection, low cycle protection and group test, etc. | |
| Output six phase current, six phase voltage | |||||
| Single phase current output 0～40A | |||||
| Single phase voltage output 0～120V | |||||
| 12 | Large current generator | RDSL-82-5000A | 1 set | Maximum output: AC500A; meter accuracy: 1.5% | |
| 13 | Cable identification instrument | RD-2134 | 1 set | Professional instrument for recognizing a certain cable from a bunch of cables | |
| Accurate recognition, no eclectic judgement, accuracy rate: 100% | |||||
| 14 | Transformer no load & on load characteristic tester | RDBR-IV | 1 unit | Measurement of transformer short circuit impedance, no-load current and no-load loss | |
| Current testing range: 0.5A～60A | |||||
| Voltage testing range: 10V～650V | |||||
| 15 | On load switch tester | RDKC-2008 | 1 unit | Accurate measurement of on load tap switch’s transition time, transition waveform, transition resistance, three phase synchronism and other parameters （range: 0.3~40Ω, accuracy: 0.3Ω~1Ω±0.1Ω，1Ω~40Ω±5%） | |
| 16 | Vacuum Switch Vacuum Degree Tester | RDZK-IV | 1 unit | Vacuum degree of vacuum breaker | |
| Testing range: 10-5 ～ 10-1 Pa | |||||
| 17 | AC/DC voltage divider | FRC-200M | 1 unit | Testing voltage measurement (range 0-200kV accuracy 0.5%) | |
| 18 | Insulation resistance tester | RD3200 | 1 unit | Measurement of insulating resistance, absorptance, polarization index | |
| Range 2.5MΩ-50GΩ; accuracy ±5% | |||||
| 19 | Cable fault tester | RD-313X | 1 set | Measurement of the fault point of fault cable and accurate positioning | |
| Testing distance: no less than 40km, testing deviation: systematic deviation less than ±1% | |||||
| Shortest testing distance （blind spot）: 5-10 meters | |||||
| Accurate positioning deviation：±0.2m | |||||
| 20 | High voltage phasing tester | TAG6000 | 1 set | Wireless testing line phase meter, frequency, voltage wave (phase difference measurement accuracy: ±3; frequency accuracy: ±1Hz) | |
| 21 | Intelligent battery discharge tester | RDKR系列 | 1 set | Mainly used for the discharging testing of lead-acid battery of backup power in China Telecom, China Mobile, China Unicom and power DC industry | |
| 22 | Intelligent battery internal resistance tester | RDBT系列 | 1 set | Through online testing, it can show and record multiple groups of battery voltage, internal resistance, connection strap resistance and other important battery parameter, accurately and effectively judge battery condition | |
| No. | Name | Specifications Model | Quantity | Quantity |
| 1 | Chromatographic instrument | RDC-9560 | 1 set | Measuring temperature range of gas composition in transformer oil |
| Column compartment: room temperature +15℃—399℃ | ||||
| Vaporizing 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℃ | ||||
| 2 | Closed-up flash point tester (Auto) | RDBS3000 | 1 unit | For testing the liquid flash point of the surface film formed by the solid suspended matter of insulating oil under testing condition |
| 3 | Acid value determination apparatus | RDSZ-II | 1 unit | Measurement of the acid value of the tested insulating oil |
| Range of measurement: 0.001~0.400mgKOH/g | ||||
| Accuracy: | ||||
| The acid value between 0~0.100mgKOH/g is 0.005mgKOH/g | ||||
| The acid value between 0.100~0.400mgKOH/g is 5% | ||||
| 4 | PH meter | RDPH-335 | 1 unit | Measure pH value of insulating oil |
| Range of measurement: pH 0.00-14.00 | ||||
| Temperature 0.0-99.9℃ (optional) | ||||
| Accuracy ±1%F.S | ||||
| 5 | Insulating oil test set | RDJJC-100kV | 1 set | Automatic testing of penetration and voltage withstand of insulating oil |
| Auto static, stir, boost, penetrate, step-down (output voltage 0~80kV；accuracy 2.0%) | ||||
| 6 | Oil dielectric loss tester | RD6100 | 1 set | testing of insulating oil’s dielectric loss |
| Testing range: capacity: 1pF~200pF | ||||
| Dielectric loss: 0~10% | ||||
| Accuracy: capacity: ±（0.5%×C+1pF） | ||||
| Dielectric loss: ±（1%×D+0.00008） | ||||
| Resolution ratio: capacity: 0.01pF | ||||
| Dielectric loss: 1×10-5 | ||||
| 7 | SF6 gas density relay calibrator | RDJD-II | 1 set | SF6 density relay check: shutting restore values, alarm restore values, over voltage restore values, alarm values, shutting values, over voltage values (accuracy ±0.25%) |
| 8 | High-accuracy SF6 gas leakage meter | RDWG-II | 1 set | External testing of the weld and airway connection of sealed gas chamber; Minimum testing value: 0.01μ1/1 |
| Testing range： 10～30μ1/1 | ||||
| 100～200μ1/1 | ||||
| 300～500μ1/1 | ||||
| Indication deviation: ≤±3% | ||||
| 9 | Intelligent water meter | RDWS-242 | 1 set | Measure minim moisture content sensor for SF6 gas |
| Dew point | ||||
| Range of measurement: －60 ℃～+20 ℃ | ||||
| Accuracy: ±0.5℃（－60℃～＋20℃） | ||||
| Reaction time （＋20℃） ：＜3分钟 |
| No. | Name | Specifications Model | Quantity | Function | |
| 1 | Single phase contact voltage regulator | TDGC-3kVA | 1 unit | AC single phase 0~250V voltage regulator | |
| 2 | Three phase contact voltage regulator | TSGC2-15KVA | 1 unit | AC three phase 0~380V voltage regulator | |
| 3 | Digital clip-on ammeter | UT205 | 1 unit | Measure current (range 0~400A; accuracy 1.5%) | |
| 4 | Earth rod, electroscope | EC-II | 1 set | Secure protection, electrical measurement | |
| Applicable for 110KV substation | |||||
| 5 | Multimeter | UT53 | 1 unit | A multifunctional and multirange meter for measuring voltage and current, some can measure other quantity of electricity, such as resistance and capacity (accuracy 1.0%) | |
| 6 | Wheatstone bridge | QJ23 | 1 unit | Measure DC resistance value between 1~11.110MΩ | |
| 7 | Kelvin bridge | QJ44 | 1 unit | Measure DC resistance value between 0.00001-11.000Ω | |
| 8 | Phase sequence indicator | RDXZ-II | 1 unit | Indicate the clockwise of three phase sine AC power phase sequence | |
| 9 | Thermos-hygrometer | HTC-1 | 1 unit | Measure the testing environment, and the temperature and humidity of high voltage electric tester (accuracy ±1.8℃) | |
| 10 | Digital dual-phase voltammetry table clamp | RDML-12A | 1 unit | Check the loop of current and voltage | |
| 11 | CT secondary on-load tester | RDCT-P | 1 unit | Secondary onload measurement | |
| 12 | The three meters’ test set | RDS-II | 1 set | Check current, voltage and power meter (accuracy 0.05%) | |
| 13 | Infrared radiation thermometer | UT300 | 1 unit | M easure the testing environment and the temperature of high voltage electric tester | |
| Temperature range: 32~1050℃ (accuracy ±1.8℃) | |||||
| 14 | Low power-factor wattmeter | D34/1-W | 1 unit | Measurement of power | |
