Product Introduction
1. For 220KV GIS test voltage ≤325kV,test frequency 30~300Hz; test time 1min.
2. 15km cable with capacitive load (3.53 µF) at a test voltage of 150 kV, test frequency from 30~300Hz. Test time is 60min.
3. 400 kV XLPE Cable AC Test;Test voltage: 330 kV AC;Test duration: 1 hour;Cable type: 400 kV, 2500 mm² Cu Conductor XLPE Cable;Cable length: 3 km Capacitance: 0.22 μF/km. Total capacitance: approximately 0.66 μF
4. 20 m, 170 kV cable, with a capacitance of 0.23 µF/km and a total capacitance of 0.0046 µF.
AC resonant test system operation video
Product Parameter
|
No |
Equipment name |
Model |
Rated capacity |
qty |
Key technical indicators |
|
1 |
Variable frequency power supply |
XZB-350kW |
350 kW |
1set |
Output frequency：20 ∼ 300 Hz,output voltage：0 ∼ 400 V |
|
2 |
exciting transformer |
JLB-350kVA |
350 kVA |
1set |
Input voltage：400 V,output tap voltage：2 kV / 4 kV / 8 kV / 25 kV |
|
3 |
High-voltage reactor |
DK-3465kVA |
3465 kVA / 165 kV / 21 A / 46 H |
4set |
Rated voltage：165 kV,rated current：21 A,inductance value：46 H/set |
|
4 |
capacitive voltage divider |
FR-350kV |
350 kV / 500 pF |
1set |
Rated voltage：350 kV, |
Application and connection during test
|
Test object |
Tagert voltage (Utest) |
Estimated capacitance of the test sample |
Transformer connection method |
Equivalent inductance (L) |
Resonance frequency estimation (f) |
Resonant current estimation (I) |
Quality factor Q estimation |
Excitation transformer tap changer |
Variable-frequency source power |
|
GIS withstand voltage test |
325 kV |
3 nF (total 3.5 nF) |
2 sets in series (a total of 2 sets) |
92 H |
≈ 280 Hz |
≈ 2.0 A |
50 |
8 kV |
≈ 13.0 kW |
|
Small capacity GIS |
325 kV |
1.5 nF (total 2.0 nF) |
4 sets in series (a total of 4 sets) |
184 H |
≈ 262 Hz |
≈ 1.07 A |
50 |
8 kV |
≈ 7.0 kW |
|
15km cable |
150 kV |
3.53 μF |
4 sets in parallel (total 4 sets) |
11.5 H |
≈ 25 Hz |
≈ 83.18 A |
45 |
4kV |
≈ 277.3 kW |
|
380kV system |
330 kV |
1.5 nF (total 2.0 nF) |
3 sets in series (a total of 3 sets) |
138 H |
≈ 303 Hz |
≈ 1.25 A |
50 |
8 kV |
≈ 8.3 kW |
|
400KV cable 3KM |
330KV |
0.66 μF |
2 sets in series and 2 groups in parallel |
46 H |
29 Hz |
39.58 A |
50 |
8 kV |
93.3% |
|
20 m, 170 kV cable |
150KV |
0.0046 µF |
4 sets in series |
184H |
172.99 Hz |
0.75A |
50 |
8 kV |
|
Production Details
Production Line
Onsite test cases
Our Certificates
About Us
Wuhan Huayi Electric Power Technology Co., Ltd
HUAYI is a professional manufacturer in China that researches and manufactures electric testing equipment. Established in 2005, the company is one of the earliest manufacturers of high-voltage testers in China. HUAYI insists on developing and marketing its products independently and makes efforts to improve product quality, reduce costs, and enhance efficiency.
HUAYI is committed to preventative, maintenance, troubleshooting, and commissioning. With ISO-certified professional engineering support and Satisfactory customer service, our brand has been recognized and supported by a wide range of users.
large enterprise scale
Efficient and precise processing and testing equipment. We have our factory, engineers, and service team.
Standardized Production
Passed ISO9001 certification and obtained relevant patent certificates.
High-Quality Customized Services
No intermediate links, providing one-stop service from design, processing, mold trial to mass production.
Our certification
Our engineering team
Customers visiting
Our workshop
Our Service
Create a comprehensive solution for customers
01
Pre-sale service
Conduct product consultation, product promotion, and marketing activities, and provide 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 arrive well.
03
After-sales service
Installation and commissioning of specific products; Respond to consumer questions, answer consumer inquiries, and deal with consumer comments.
FAQ
1. Delivery： Fast delivery and Flexible mode of transportation
2. Payment: Choose payment terms and a convenient payment method
3. Sales service: 24-hour online contact, choose the right model of equipment according to your request, give the best offer, support customization
4. Warranty period: All machine quality guarantees for one year, and lifetime technical support for you. Online response to customers' technical problems.
Please get in touch with us if you have any questions about products, prices, technology solutions, or services. We will always be with you.
Our address
Gaoxin 4th Road, No.40, Wuhan City, China
Phone Number
(86)-18062012971/+8618064115448 WhatsApp
sales@sinohipot.com/ tina@sinohipot.com
One-stop high voltage test equipment Factory in China
Send your inquiry about test equipment to us and experience the professional solutions it can have on your business or brand. With our technology solutions and products, you can elevate your products, captivate your customers, and unlock new opportunities for growth and success in the electric industy.
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