HVTFW PD-free AC Series Resonant Test System
(Different capacity and voltage can be customized)
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.
Environmental temperature: -10℃ to 50℃
Related humidity: ≤ 90% RH
Altitude: ≤ 1km
Ⅱ 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
Ⅲ Test Power Supply, L and Cx Relationship Table
Ⅳ Below capacity and voltage also available:
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)
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)
Partial Discharge Test Device:
1. When can I get the price?
We usually quote within 6 hours work time after we get your inquiry. If you are very urgent to get price, please call us or tell us in your email so that we will regard your inquiry priority.
2. What about the delivery time for production?
Honestly, it depends on the order quantity and the product. Usually our leading time is within 7 working days after order confirmation.
3. What is your payment terms?
We accept EXW, FOB, CFR, CIF, DDU, ect. You can choose the one which is the most convenient and cost effective for you.
4. How much will the Shipping cost and time be?
This will depend on size of your goods and method of shipping (by sea/ by air/by Express) and your designated seaport or airport. We will be grateful if you can spare us some minutes to evaluate the cost based on the information of product.
5. Could you please tell me the Warranty Period of your product?
Our warranty period is one year free and lifelong maintenance. If the product is damaged (if not man-made damage), in the first year,we will send free parts for replacement. Over warranty, maintenance is paid service.
6. Do you have Technical Backup to all customers from different countries?
To be sure,our technical support is always available and quick response.
We are manufacturer with much on-site testing experience, thus we know how to deal with your problems. Moreover, our engineers can go to your country to support if needed.