50KV Partial Discharge Test System

HYJF-5/50 power frequency partial discharge-free test system is mainly used for voltage resistance strength and partial discharge tests of 10kV electrical equipment and insulation materials

Main components of equipment

Remarks: The system comes with a square wave generator and impedance unit.

1 Power frequency partial discharge-free test bench HYJF-5/50 set 1 

2 Partial discharge-free test transformer HYJF-5KVA/50KV set 1

3 Digital partial discharge detector HYJF-1200 set 1

4 isolation filter HYLB-5KVA set 1

5 coupling capacitor FRC-50KV set 1

6 Protection resistor HYBH-50KV-5KΩ only 1

                                                                                                           PD test system operation Video

Rated power: 5KVA;
Input voltage: 220V 50Hz
Output voltage: 0~250 0~50kv adjustable
Output voltage frequency: 50Hz
Control method: fully automatic computer control
Number of phases: single phase
Short circuit impedance: ≤5%
No-load current: ≤10%
System noise level: ≤ 65 dB.
The partial discharge amount is ≤3pC at the rated voltage.
Transformer insulation level

Technical parameters of main components

Fully automatic control panel

Name: Automatic power frequency partial discharge-free test bench
Rated voltage AC 220V
Capacity 5kVA

Output voltage 0-250V
Voltage accuracy ±0.5%
Current accuracy ±0.5%
Display mode 17-inch control machine
Operation mode automatic, manual
Data storage 1000 groups
Password multi-level permission settings
Six protections make it safer to use
Low voltage protection Low voltage current protection
High voltage protection High voltage current protection
High voltage overvoltage protection High voltage flashover protection
Software operation interface
Operation transition information prompt During the automatic test, a 5-stage test can be set
Automatic production report review, data, and graphics protection status prompts
Voltage and time curve graphs Primary circuit working status display

Non-PD Power frequency test transformer 

Model: HYJF-5KVA/50KV
Structure: Insulated cylinder, fixed
Number of phases: single phase
Frequency: 50HZ
Cooling method: ONAN
Rated capacity: 5KVA
Primary rated voltage: 0.20KV Rated current: 25A
Secondary output voltage: 50KV Rated current: 0.1A
No-load current: ≤5%
Impedance voltage: ≤8%
Waveform distortion rate≤3%
Measuring winding voltage: 100V Measuring voltage ratio: 1:500
Overcurrent capability: Under the condition of 150% (0.75) rated current for 300S, the overcurrent test transformer windings will not cause thermal damage or winding deformation.
Overvoltage capability: Overvoltage at 110℅UH (55KV) for 60S should not cause insulation damage to the test transformer. At this time, the waveform distortion rate is ≤5%.
Insulation level: low-voltage end power frequency resistance 5KV/min
Dielectric loss: ≤0.5%
Partial discharge amount: less than 5PC under 100% UH; less than 3PC under 80% UH.
Running time: It is allowed to run for 60 minutes from the ambient temperature at 100% HU and IH, and continuous operation is allowed from the ambient temperature at 80% UH and IH.
 

Capacitive voltage divider (also doubles as coupling capacitor)

Model: FRC-50KV/700PF
Rated frequency: 50HZ
Nominal capacitance: 700pF
Rated voltage: 50KV
Nominal partial pressure ratio: 500:1
Dielectric loss: <0.2%
Partial discharge: <3pC at rated voltage, <2pC at 80% rated voltage
Measurement accuracy: ≤±1%
Allowable running time: same as the transformer

Voltage regulating control unit

① A new generation of industrial embedded PC, using high-performance hardware and software control; touch screen operation mode.
② The console adopts two modes of automatic and manual control. The two functions are managed independently and hierarchically without interfering with each other;
③ Full English interface, simple and clear operation, wide application;
④ All test parameters of this test system can be set arbitrarily according to requirements, the operation is simple and clear, the test speed is smooth, and the displayed data is clear and intuitive;
⑤ All test parameters can be set in advance, which can achieve a series of functions of accurate memory, storage and reset of high-voltage discharge breakdown voltage; automatic scan time setting, automatic storage of detailed records of time, voltage, current, etc. during the electrical aging process, which is convenient User view;
⑥ The manual/automatic control of this test system is equipped with a cumulative timing function and can independently start, pause, and clear;
⑦ Using a combination of hardware and software anti-interference technology, it has stable performance and strong anti-interference.

Main Specifications

Amplifier band

① Low-end: 10KHZ, 20KHZ, 40KHZ optional
②High-end: 80KHZ, 200KHZ, 300KHZ optional

 Amplifier gain adjustment: six levels of coarse adjustment, gain between levels is 20±1 db; fine adjustment range ≥20db.
Time window:
①Window width: adjustable range 15°～150°;
②Window position: Each window can be rotated from 0° to 170°;
③The two time windows can be opened separately or simultaneously.
Discharge meter:
Digital meter: displayed with 3½ LED digital meter
0-100.0 error <±5% (based on full scale)
Elliptical time base:
①Frequency 50HZ, 100HZ, 150HZ, 200HZ, 400HZ.
② Elliptical rotation: 30° as a step, 150° rotation is possible.
③Display mode: ellipse - straight line - sine.
Test voltmeter:
① Range: 100KV (expandable)
② Display: 3½ digital voltmeter indication
Accuracy: better than ±5% (based on full scale)
It has a zero mark function, which is beneficial to the identification of partial discharge.
Volume: 500*500*210 (width*depth*height) mm3
 Weight: about 16kg.

wuhan Huayi Electric Power Technology Co.,Ltd

 

HUAYI is a professional manufacturer in China, researching and manufacturing electric testing equipment. Established in 2005, the company is one of the earliest manufacturers of high-voltage testers in China. 
HUAYI is committed to preventative, maintenance, troubleshooting, and commissioning all the time. Our products include AC/DC Hipot tester, series resonant test system, transformer tester, relay tester, circuit breaker/switch tester, oil/SF6 tester, widely adapted to electric power, water conservation, oil, railway, mine, chemical, and so on.

 

01

 

large enterprise scale

Efficient and precise processing and testing equipment.

 

02

 

Standardized Production

Passed ISO9001 certification and obtained relevant patent certificates.

 

03

 

High-Quality Customized Services

No intermediate links, providing one-stop service from design, processing, mold trial to mass production.

Our Service

01

Pre-sale service

Conduct product consultation, product promotion, marketing activities, and technical support for customer needs.

02

Delivery service 

Packing with wooden cases, provide different solutions of shipping way, accept different payment way. Save shipping cost and make sure the products arrived well. 

03

After-sales service

one-year warranty, Installation, and commissioning of specific products; Respond to consumer questions, answer consumer inquiries, and deal with consumer comments.

How To Cooperate With Us?

Please get in touch with us if you have any questions like prices, service, or technology solutions. We always be with you.

Our address

Gaoxin 4th Road, No.40, Wuhan city, China

Phone Number

(+86)-18062012971/+18064115448(WhatsApp)

E-mail

Sales@sinohipot.com/ tina@sinohipot.com

 

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