Suitable for 10kV cable AC pressure test, 10kV switch cabinet, Transformer AC pressure test, 35kV Transformer AC pressure test
For service of product purchase and technical maintenance, please call 4008828058
1, Meet with 300mm2, 10kV cable AC pressure test, length 2km, capacitance ≤ 0.74 uF, test frequency 30 ~ 300Hz, test voltage U ≤ 22kV.
2, Meet with 10kV switch cabinet, Transformer AC pressure test, test frequency 30 ~ 300Hz, test voltage U ≤ 42kV.
3, Meet the 35kV Transformer AC pressure test, test frequency 45 ~ 65Hz, test voltage U ≤ 68kV.
System technical parameters
Rated output voltage: 0 ~ 88kV
Resonance voltage wave type: sine wave, waveform distortion rate of 1.0 %
Maximum test current; 1A
Maximum test capacity: 88 kVA
Output frequency: 30 ~ 300 Hz
Working time: 15 minutes of continuous working time under full power output
Quality factors: 30 ~ 90
Input power supply: single phase 220V or three-phase 380V ± 5 %, 50Hz
Environmental temperature: -15 °C ~ +40 °C
Relative humidity:
Altitude:
Noise: ≤ 50dB
Device capacity determination
Meet 300mm2, 10kV cable AC voltage test, length 2km, capacitance ≤ 0.74 uF, test frequency 30 ~ 300Hz, test voltage U ≤ 22kV.
Frequency 38 Hz
Test current I = 2π fU test = 2π × 38 × 0.74 × 10-6 × 22 × 103 = 3.9 A
Corresponding reactor inductance L = 1 / Ω 2C = 24H
The design of a four-node reactor and the use of a four-node reactor in parallel, the parameters of the single throttle reactor are 22kVA/22kV/1A / 96H, and the total capacity of the device is 88kVA.
Conclusion: The capacity of the device is set at 88kVA/22kV/22kV, which is divided into four sections. The single section of the reactor is 22kVA/22kV/1A / 96H. The test requirements of the test subjects can be met by using the reactor combination.
Use table of relationships in tests
Equipment combination
Trial product
Reactor 22kVA/22kV
Section II
Selection of the output end of the excitation Transformer
Meet 10 kV/300 MM2 cable(test voltage 22 kV, test time 5 min)
Length less than 500M
Use reactor section
1.5 kV
Length 500 ~ 1000M
Use reactor section 2 in parallel
1.5 kV
Length 1000 ~ 1500m
Use the reactor in three sections in parallel
1.5 kV
Length 1500 ~ 2000m
Use the reactor in four sections in parallel.
1.5 kV
Meet 10kV switchgear, Transformer,(test voltage 42 kV, test time 1 min)
Use reactor section 2 in Series
1.5 kV
Meeting 35 kV Transformer(test voltage 68 kV, test time 1 min)
Use reactor four sections in Series
3kV
Note: product appearance is subject to actual product, technical parameters and models are subject to change without prior notice. For more information on the list of products of huaneng products. National service hotline 40088280581,Make full use of our advantages in electronic measurement technology and electromagnetic compatibility, fully develop, design and produce all the components of this equipment including: inverter power supply, excitation Transformer, pouring high voltage reactor and high-precision capacitor divider.
2, with manual / automatic mode, large screen display, test parameter setting, and automatic timing and operation prompt function.
3, with a number of protection functions, such as: overpressure, overcurrent protection, discharge protection, dissonance protection and so on.
