High Voltage Test Products and Systems

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About our company

Welcome to EP HIPOT

EP Hipot Electric Co., Ltd has rich experience of more than 20 years in R&D, manufacturing and marketing of market-leading high voltage test equipment. Passion, knowledge, expertise and technology drive us to help our customers all over the world, to maintain their assets value, improve their reliability, reduce maintenance costs and extend working life of the electrical systems and related apparatus. Our application specialists also perform on site trainings and workshops in order to share our knowledge with customers. 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.

From the date of order placing, we usually need 3-7 working days to manufacturing. Located in Wuhan City, the provincial capital of China, EP Hipot Electric is easy to ship the package by the air or ocean. EP Hipot Electric also can provide OEM service according your customized. We are sincerely looking forward to cooperate with you from all the countries of the whole world.

We understand our customers’ requirements and we supply the most advanced solutions for testing their electrical apparatus. Our test equipment is designed and produced according to the most widely adopted international standards. The test sets are crafted one by one, using the best available technology and according to ISA 9001 Quality System. We supply rugged products all over the world and thanks to the network of qualified service centers on all continents we perform after sale service and quick support as well as assistance to our customers.

Main products:

● Transformer testing

● High voltage insulation testing

● Circuit breaker testing

● CT PT testing and calibrating

● Motor and generator testing

● Arrester and insulator testing

● DC system and battery testing

● Cable faults,test and diagnostics


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What we do

EPBZ series

Manufacturing EP Hipot Electric Co., Ltd. is one of the leading EPBZ-III Automatic Transformer Comprehensive Test Bench System Transformer Testing Bed manufacturers China, welcome to import cheap and discount EPBZ-III Automatic Transformer


Transformer Induction Withstand Voltage Test Set DVDF Test System mainly designed for transformer induced withstand voltage test and partial discharge test.


General Information: EPJS-12kV is a new generation, fully automatic on-site measure dielectric loss(tg)and the capacitance (Cx) of electric equipment. Its suitable for testing on transformer, insulating bush, capacitor, CT/PT, MOA e


EPOT-II conforms to international standard IEC-156, can be used for power frequency dielectric break down test on the transformer oil, capacitor oil, electric device,


EPCZ Series AC Resonance Test System is specially designed for AC withstand test for electric equipment of substation at 10kV-500kV or below.


General Information: VLF stands for Very Low Frequency. VLF is generally considered to be 0.1 Hz and lower, its major application is for testing solid dielectric cable, transformers, motors, generators, switchgear and other electrical appar

EPS-TRT 10000A

EPS-TRT 10000A Three Phase Automatic Temperature Rise Test Bench is mainly composed of AC power distribution unit, voltage regulating transformer, converter, power compensation component, drive control unit, data acquisition unit

EPDJ (DC AC Motor)

The EPDJ series motor testing system adopts industrial computer control and integrates the measurement of resistance, insulation, withstand voltage, turn-to-turn, no-load and other items. It has the advantages of fast test speed

our best values

Core Features

Full Protection Functions/Safe & Reliable
IEC Standard
English Version/Multi Language Document
Lifelong After-Sales Service
Customized products/OEM Support
SGS & ISO Certified
Professional tech team correctly design
ilac-MRA & CNAS authorized lab calibrated

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latest news

5000kW Motor Test System Delivered
2021-12-08 16:09:49

This 5000kW Motor Testing System is designed for the acceptance testing, factory testing. The test items are: -Measurement of winding resistance -Measurement of voltage ratio -Checking of phase displacement -Measurement of short-circuit imp

20kV Surge Impulse Tester Successfully Passed the Calibration Of IEC17025 Accredited Lab
2022-02-28 14:29:18

Good news, 20kV 1.2/50 High Voltage Surge Impulse Tester EPDY-B20 purchased by United Kingdom customer successfully passed the calibration of the IEC17025 accredited lab and were quickly sent to the test site.

2500kVA 11kV Moblie Power Transformer Test System Delivered
2022-04-12 17:27:22

EP Hipot Electric Moblie Transformer Test System EPBZ-III is used to test transformer no-load loss, load loss, impedance voltage percentage, no-load current percentage, transformer tur

EPCZ AC Resonant Test System 432kV On Site Testing
2018-08-08 10:55:43

HV reactors: 54kV/8pieces in series, total 432kV AC Resonant Test System EPCZ are successfully delivered and applied on AC withstand voltage testing of tubular busbar in national 220kV substation.

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our location

Building 4, No. 888 Hanhuang Road, Daijiashan Science and Technology Venture City, Jiangan District, Wuhan, P. R. CHINA 430000

24 hours