Product Details
Product Introduction
The Power Frequency Resonant System is mainly used for ac withstand voltage test of cross-linked cable, hydraulic generator, main transformer, bus, GIS, etc. It has a wide range of application and is an ideal withstand voltage equipment for local, municipal and count-level high voltage test departments and electric power installation and repair and test engineering units.
The device is mainly composed of frequency conversion control power supply, excitation transformer, reactor, capacitor voltage divider and compensation capacitor (optional).
Product nickname: series resonance, frequency conversion resonance, frequency conversion series resonance, series resonance test equipment, series resonance voltage withstand device, cable voltage withstand series resonance device
(Power Frequency Resonant System Workshop Figure)
The work environment
Environment temperature |
-100oC-50oC |
Relative humidity |
≤90%RH |
The altitude |
≤1000m |
Main technical parameters and functions of the device
Rated Capacity |
324kVA |
The input power |
Three-phase 380V voltage, frequency: 50Hz |
Rated Voltage |
54kV |
Rated current |
6A |
Working frequency |
30-300Hz |
Device output waveform |
Sine wave |
Waveform distortion rate |
Output voltage waveform distortion rate ≤1% |
Working time |
Continuous 60min is allowed under rated load; Overvoltage 1.1 times 1 min |
Temperature rise |
Temperature rise ≤65K after continuous operation under rated load for 60min |
The quality factor |
Device Q≥30(f=45Hz) |
Protection function |
Over current, over voltage and flashover protection (see frequency conversion power supply for details) |
Accuracy of measurement |
Effective value of the system is 1.5 |
Exciter transformer
Rated Capacity |
9kVA |
The input voltage |
0-400V,Single phase |
The output voltage |
3kV |
structure |
dry type |
Weight |
About 50kg |
Variable frequency power supply
Rated output capacity |
18kW |
Working power supply |
380±10%V (three-phase), power frequency |
The output voltage |
0-400v, single phase |
Rated input current |
45A |
Rated output current |
45A |
Voltage resolution |
0.01kV |
Accuracy of voltage measurement |
1.5% |
Frequency range |
30-300Hz |
Frequency regulation resolution |
≤0.1Hz |
Frequency stability |
0.1% |
Running time |
Continuous 60min at rated capacity |
Noise level |
≤50dB |
High voltage reactor
Rated Capacity |
54kVA |
Rated Voltage |
27kV |
Rated Voltage |
2A |
inductance |
68 H/single section |
The quality factor |
Q≥30(f=45Hz) |
structure |
dry type |
Weight |
About 75kg |
Capacitor divider
Rated voltage |
60kV |
High piezoelectric capacity |
2500pF |
Dielectric loss |
tgσ≤0.5% |
Voltage division ratio |
1000:1 |
measurement accuracy |
Valid value of 1.5 |
Weight |
About 10kg |
Our Service
1.Specializing in the production of electrical instruments.
2.Better manufacture ability
3.Various payment term to choose:T/T,Western Union,L/C,Paypal
4.High quality/Safe material/Competitive price
5.Small order available
6.Quickly response
7.More safe and fast transport
8.OEM design for all customers
FAQ
Q: Do you have any products in stock?
A: With the exception of custom products, everything else is in stock
Q:What are the competitive advantages?
A:We are factory ,we can guarantee our price is first-hand, High quality and competitive price.
Q: Are you manufacturer or trade company?
A.We are manufacturer .
Q:How about your after-sale policy and term?
A:We have a special after-sales department. If there is any problem, we will provide you with a solution within 24 hours.The warranty period is one year.
Q:Where is your factory located?
A:502, Unit 1, Wensheng Building, Guanggu Core Center, 303 Guanggu Avenue, Jiangxia District, Wuhan City, Hubei Province, China
http://www.relay-tester.com/