We have supplied HV test equipment and components to the domestic and international customers, such as Siemens, ABB, Toshiba, Sediver USA, CG India, Alstom, Areva, TBEA, Chint, Tianwei Group, XD group, etc. Our customers benefit a lot from our excellent services and high quality products. We are growing to be one of the largest manufacturers of HV test equipment in China.

April 12,2021

85kV 1540kVA AC resonant test system

HVgrand has delivered 85kV 1540kVA AC resonant test system to Croatian customer in April, 2021.

AC resonant test system is used for AC voltage test of MV cables.

The partial discharge value of the whole system is less than 1 PC.

JULY 2020

Delivery of 12pcs 100kV resistors

HVGrand delivered 12pcs 100kV resistors for 300kV impulse generator to ProlecGE Mexico transformer factory in 2020.


Delivery of 130kV 2uF AC load capacitor

HVGrand delivered 1set 130kV 2uF AC load capacitor to Vietnam customer in 2020.

Sept 18,2019

Delivery of 100kV Impulse Voltage Generator

HVGrand delivered 100kV impulse voltage generator to Poland customer in 2019.

It can output switching impulse and lightning impulse for the testing of insulation platforms.

April 28,2020

HVgrand delivered voltage divider to French customer

HVgrand delivered 250kV AC & 350kV DC voltage divider to French customer.

March 18,2021

A new order of 100kV 2μF impulse capacitors

HVGRAND just got a new order of 30 pcs 100kV 2μF impulse capacitors from Italian customer. The impulse capacitors are used to replace the old impulse capacitors of the impulse voltage test system.

March 18,2021

Delivery of 400kV AC voltage test system

HVgrand delivered 400kV 0.15A AC voltage test system to Thailand customer in March, 2021.

AC voltage test system is used for AC voltage test of switchgears, insulators, transformers, bushings, etc.


Delivery of 100kV 0.1A AC voltage test system

HVgrand delivered 100kV 0.1A AC voltage test system to Pakistan customer in Jan,2021.

Feb 15,2019

Delivery of impulse resistors

wave shaping resistors, wave front resistor and wave tail resistor from 50kV to 200kV for impulse voltage generator

Aug 3, 2019

Delivery of 750kV chopping gap

HVGrand can deliver chopping gap from 100kV to 2400kV.
You are welcome to contact us for more information.

July 28,2018

New Order of Protective Resistors

HVGrand just received new order of 2 pcs 200kV protective resistors for AC test transformer from ICMET,famous HV test lab in Romania.

July 18,2018

Delivery of Regulating Transformer

HVGrand just received 2 pcs of 150kVA regulating transformer from Croatian customer, famous HV test lab in Croatia.

April 28,2018

Delivery of Loading Capacitor

HVGrand delivered 30kV and 60kV AC loading capacitor to Spain customer in March 2018.

JULY 28,2018

100kV Voltage Divider

HVGrand delivered100kV 1000pF voltage divider (coupling capacitor) to Croatian customer-Koncar in March 2018.

JULY 28,2018

Delivery of 100pcs Corona Rings

HVGrand delivered 100pcs corona rings to Hyundai industry.(Manufacturer of HV tap changers)

July 28,1028

Delivery of Trigger Control Unit

HVGrand delivered trigger control unit for 600kV impulse voltage generator to Croatian customer,famous national test lab in Croatia.

July 28,2018

Delivery of Surge Generator

The surge generator can output 30kV 1.2/50μs & 15kA 8/20μs, 30kA 8/20μs, 1kA 10/350μs. It can test Class II, Class III SPD, MOV.
With AC/DC power source for operating duty test;
Coupling/Decoupling network;
Automatic control and measurement system;

Jan 9,2018

400kV 20kJ impulse voltage test system to France

HVGrand installed and commissioned 400kV 20kJ impulse voltage test system
to our French customer (national test lab) in Paris in June,2017.

JAN 9,2018

Delivery of 20 pcs impulse capacitors to Turkish customer

HVGRAND just delivered 20 pieces impulse capacitors (100kV 1μF) to Turkish customer, who will build one set 2000kV impulse voltage generator.

August 08,2016

Delivery of 1200kV Impulse Voltage Generator to Reactor Customer

Hvgrand delivered 1200kV impulse voltage generator with 900kV chopping gap to HV reactor manufacturer in May, 2016. The pictures shows our engineer installed the system in the customer’s test lab.

August 04,2016

Delivery of 200kV AC Test System to Cable Customer

Hvgrand delivered 200kV 1A AC test system to Shandong Taikai cable manufacturer. The pictures shows the test cable and busbar in the customer’s test lab.

May 26,2016

Turkish Customer visited our factory

Turkish customer took a visit to our factory on May 25, 2016. We discussed about the function and operation of 400kV impulse voltage generator. The customer was satisfied with our performance.

July 16,2016

Maintenance of 800kV 0.5A AC Resonant System in India

Hvgrand’s engineer successfully did the commissioning of 800kV 0.5A AC Resonant System in Indian Siemens Test lab in March, 2016.

July 11,2016

New Order of Reactor From Europe

Hvgrand has won a new order of 3 pcs 17kV compensation reactors from European customer in July. We will deliver it in September.

June 20,2016

New Contract with CG India

Hvgrand won the order from CG India to produce the 2000kV load capacitor for their lightning impulse test in July.

June 16,2016

Successful Delivery of PD Test System to Malaysia

Hvgrand delivered single channel PD detector and 100kV 1000pF coupling capacitor to Malaysian university in July.

June 13,2016

Successful Delivery of Regulating Transformer to Europe

²Hvgrand delivered 500kVA 3 phase induced regulating transformer to European customer in July. The transformer is featured with automatic control and measurement system.

June 11,2016

Successful Delivery of Combination Wave Generator in Spain

HVgrand staff installed and commissioned the combination wave generator successfully in Spain SPD customer in June,2016. This product can output 20kV 10kA combination wave and 20kA 8/20μs, which can test Class II and Class III SPDs.

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