Basic Info.
Product Description
HVTFW PD-free AC Series Resonant Test System
(Different capacity and voltage can be customized)
Introduction
Example: HVTFW-225KVA/25KV PD-free AC Series Resonant Test System
PD-free AC withstand voltage test device is suitable for AC withstand voltage test of transformers, circuit breakers, switches, GIS systems, cables, bushings, insulators and other equipment.
Working Environment:
Environmental temperature: -10ºC to 50ºC
Related humidity: ≤ 90% RH
Altitude: ≤ 1km
Technical Data & Functions
Rated capacity: 225kVA
Input power supply: Single phase 380V; 50Hz
Rated voltage: 25kV
Rated current: 9A
Working Frequency: Power frequency 50Hz
Output voltage Waveform distortion rate: ≤0.5%
Working time: continuous working of 15min under rated load.
Temperature rise: ≤65K after continuous working of 15min under rated load
Quality factor: Q ≥10
Accuracy: 1.5% (RMS)
Protective function: over-current, over-voltage and flashover protections for test object.
Partial discharge amount: ≤5PC
Test Power Supply, L and Cx Relationship Table
Capacitance range of test object (Cx) | Adjustable range of reactor (L) |
0.4~1.2uF | 8H~26H |
Note: Cx is capacitance of test object. |
PD-free AC power frequency withstand voltage test: adopts series resonant test device to make AC withstand voltage test and dielectric loss test for generator. |
Reactor selection |
Reactor | Rated capacitance (kVA) | Rated Voltage (kV) | Rated Current (A) | Capacitance range (uF) | Inductance range(H) |
Adjustable reactor 1 set | 225kVA | 25kV | 9A | 0.4~1.2 | 8~26H |
Below capacity and voltage also available:
System Configuration
PD-free Excitation Transformer HVJL-27kVA/3kV/0.4kV (1 set)
PD-free Insulation Transformer HVGL-27kVA/380V/380kV (1 set)
PD-free Resonance Control Unit HVTFW-27kVA/380V (Including voltage regulator) (1 set)
PD-free Adjustable Reactor HVDK-225kVA/25kV (1 set)
PD-free Capacitive Voltage Divider HVFR-30kV (1 set)
System Configuration
1.PD-free Excitation Transformer HVJL-27kVA/3kV/0.4kV (1 set)
2.PD-free Insulation Transformer HVGL-27kVA/380V/380kV (1 set)
3.PD-free Resonance Control Unit HVTFW-27kVA/380V (Including voltage regulator) (1 set)
4.PD-free Adjustable Reactor HVDK-225kVA/25kV (1 set)
5.PD-free Capacitive Voltage Divider HVFR-30kV (1 set)
Rated output voltage | ≤0~220kV(AC effective value) |
Output frequency | 30~300Hz |
Resonate voltage waveform | Sine wave, distortion ≤1.0% |
Full load working time | Continuous working time: 60min |
System quality factor | ≥20 under maximum load |
Frequency adjustment | 0.1Hz |
Instability | ≤0.01% |
Power supply | Single phase :220V or three phase :380V±10%, frequency:50Hz±5% |
Configuration table of cable (≤ 35kV) voltage withstand device: |
Model | Control cabinet | Reactor(dry type) | Excitation transformer (dry type) | Divider | Application |
HVTF-44/22 | 2.5kW | 1A/22kV:2 sets | 2.5kVA/1kV | 25kV | 10kV cable≤1km |
HVTF-88/22 | 4kW | 2A/22kV:2 sets | 4kVA/1kV | 25kV | 10kVcable≤2km |
HVTF-132/22 | 6kW | 2A/22kV:3 sets | 6kVA/1/3kV | 60kV | 10kVcable≤3km |
35kVcable≤1km |
HVTF-176/22 | 7.5kW | 2A/22kV:4 sets | 7.5kVA/1/3kV | 60kV | 10kVcable≤4km |
35kVcable≤1km |
HVTF-264/22 | 10kW | 2A/22kV:6 sets | 10kVA/1/3kV | 60kV | 10kVcable≤6km |
35kVcable≤2km |
HVTF-330/22 | 15kW | 2.5A/22kV:6 sets | 15kVA/1/3kV | 100kV | 10kVcable≤8km |
35kVcable≤2km |
HVTF-640/32 | 25kW | 2.5A/32kV:8 sets | 25kVA/1/3/5kV | 200kV | 10kVcable≤10km |
35kVcable≤4km |
110kV cable≤1km |
Configuration table of cable (≥110kV)voltage withstand device : |
Model | Control cabinet | Reactor (oil immersed) | Excitation transformer (oil immersed) | Divider | Application |
HVTF-1300/130 | 50kW | 5A/130kV:2 sets | 50kVA/3/5kV | 150kV | 35kVcable≤2km |
110kVcable≤2km |
HVTF-2600/130 | 100kW | 5A/130kV:4 sets | 100kVA/3/5/10kV | 220kV | 35kVcable≤3km |
110kVcable≤3km |
220kVcable≤1.5km |
HVTF-3200/220 | 160kW | 4A/220kV:4 sets | 160kVA/5/10kV | 160kV | 110kVcable≤5km |
220kVcable≤3km |
HVTF-6400/220 | 320kW | 8A/220kV:4 sets | 320kVA/5/10kV | 320kV | 110kVcable≤10km |
220kVcable≤5km |
500kVcable≤1km |
Address:
No 8 Fty, Canglongdao Dvpt Zone, Wuhan, Hubei, China
Business Type:
Manufacturer/Factory
Business Range:
Consumer Electronics, Electrical & Electronics, Industrial Equipment & Components, Instruments & Meters, Manufacturing & Processing Machinery, Office Supplies, Service
Management System Certification:
ISO 9001
Company Introduction:
HV Hipot Tester Electric Co., Ltd. (HV Hipot Tester) is an international company having under licisense its head office in UK and its manufacturing facilities of different locations in China.
HV Hipot Tester produces market-leading high voltage test equipment for proof testing, diagnostic evaluation, and preventive maintenance testing of electrical cables and apparatus designed to operate under medium to high voltage conditions. From transformer and control circuit design, component manufacturing, to assembly, testing, and shipment, we maintain quality control so that you can trust our products and receive expert help in selecting or servicing equipment. We are proud of the work we do to help utilities and electrical contractors keep the lights on and protect critical loads all over the world.