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35kV kabel, S=300mm2， Length 1.5km Variable Frequency Serial Resonance Pressure Testing Device
35kV kabel, S=300mm2， Length 1.5km Variable Frequency Serial Resonance Pressure Testing Device
Detalji proizvoda
YHXZB-220kVA/100kV Variable Frequency Serial Resonance Resistance Test Device Technology Solution (YHXZB-220kVA/100kV Variable Frequency Serial Resonance Resistance Test Device Technology Solution)
1, String parallel resonance principle:
1.1 resonance voltage resistance test is using the inductor's induction and the tested capacitor to form LC serial circuit, adjust the frequency of voltage output of variable frequency power supply, achieve string parallel resonance, get high voltage on the tested, is a new way of current high voltage test, highly praised by experts, has been widely used in the country and abroad.
2, String Parallel Resonance Test Device Features:
2.1 string parallel resonance test device has a large output capacity, output voltage high, can be combined arbitrarily with an electric resistor for different tests of alternating voltage resistance. 2.1 string parallel resonance test device has a large output capacity, output voltage high, can be combined arbitrarily with an electric resistor for different tests of alternating voltage resistance. 2.
2.2 string parallel resonance test device has a small size, light weight, specially convenient field testing. 2.2 string parallel resonance test device has a small size, light weight, specially convenient field testing. 2.2 string parallel resonance test device has a small size, light weight, specially convenient field testing.
2.3 string parallel resonance test device has a good protection function, with excess voltage protection, excess current protection, time protection, flash protection, excess heat protection, module protection and other functions. 2.3 string parallel resonance test device has a good protection function, with excess voltage protection, excess current protection, time protection, flash protection, excess heat protection, module protection and other functions.
2.4 string parallel resonance test device has a very simple operation, and has two manual and automatic gears. 2.4 string parallel resonance test device has a very simple operation, and has two manual and automatic gears. 2.4 string parallel resonance test device has a very simple operation, and has two manual and automatic gears.
2.5 string parallel resonance test device uses large screen, to make the test data clear once, and can print the test results. 2.5 string parallel resonance test device uses large screen, to make the test data clear once, and can print the test results.
2.6 string parallel resonance test device has no voltage risk after the test breaks, and the damage to the test is quite small. 2.6 string parallel resonance test device has no voltage risk after the test breaks, and the damage to the test is quite small.
2.7 string parallel resonance test device test requires a small power capacity, only one part of the industrial frequency transformer test required power capacity, solving the field power supply difficult to find. 2.7 string parallel resonance test device test requires a small power capacity, only one part of the industrial frequency transformer test required power capacity, solving the field power supply difficult to find.
3, luɔɔi:
3．1Ac voltage test ye 300mm2/35kv interlinked cable ye 1.5km ye.
3．2Ac voltage test ye 300mm2/10kv interlinked cable ye 3km ye.
3．3A bɛ kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈
4. Kä ye kek looi:
4.1 Tɛmɛ tɛmɛ: -10 ℃ ~ 40 ℃
4.2 Humidity: ka tɔ̈u 90%
4.3 Dɛɛr: 2500 m
5, ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ ka tɛmɛ:
5.1 300mm2/35KV cable, 1.5km long AC voltage resistance test, capacity 0.19uF, test frequency is 30-300Hz, test voltage 52kV.
Frequency 35Hz
I = 2πfCU test = 2π × 35 × 0.19 × 10-6 × 52 × 103 = 2.2A
Induktor ye kɔrɔ L=1/ω2C=108H
5.2 300mm2/10KV cable, 3km long AC voltage resistance test, capacity 0.37 × 3 to 1.11uF, test frequency is 30-300Hz, test voltage 22kV.
Frequency 35Hz
I = 2πfCU test = 2π × 35 × 1.11 × 10-6 × 22 × 103 = 5.4A
Kɔɔr ye cɔl L=1/ω2C=18.6H
5.3 AC voltage resistance test for 10KV and below switches, motherboard and other high voltage electrical appliances, maximum capacity 0.05uF, test frequency is 45-200Hz, maximum test voltage 42kV.
45Hz
I = 2πfCU test = 2π × 45 × 0.05 × 10-6 × 42 × 103 = 0.6A
Induktor ye kɔrɔ L=1/ω2C=250H
※：Në kë de kä cï kek ya looi në tɛ̈n yenë kek ya looi në tɛ̈n yenë kek ya looi në tɛ̈n yenë kek ya looi në tɛ̈n yenë kek ya looi në tɛ̈n yenë kek ya looi në tɛ̈n yenë kek ya looi në tɛ̈n yenë kek ya looi në tɛ̈n yenë kek ya
Verification:1, 300mm2/35KV cable, 1.5km long AC voltage resistance test, capacity 0.19uF, test frequency is 30-300Hz, test voltage 52kV.
☆：A ye tɛmɛ 3 kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ
Tɛmɛ fɛɛn f=1/2π√LC=1/(2×3.14×√120×0.19×10-6) =33.3Hz
I=2πfCU test=2π×33.3×0.19×10-6×52×103=2.1A
Verification:2, 300mm2/10KV cable, 3km long AC voltage resistance test, capacity 1.11uF, test frequency is 30-300Hz, test voltage 22kV.
☆：A ye tɛmɛ 4 kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ
Tɛmɛ fɛɛn f=1/2π√LC=1/(2×3.14×√10×1.11×10-6) =47.8Hz
I=2πfCU test=2π×47.8×1.11×10-6×22×103=7.3A
Verification:3, AC voltage resistance test for 10KV and below switches, motherboard and other high voltage electrical appliances, maximum capacity 0.05uF, test frequency is 45-200Hz, maximum test voltage 42kV.
☆：A ye tɛmɛ 4 kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ
Tɛɛr ye tɛɛr f=1/2π√LC=1/(2×3.14×√160×0.05×10-6) =56.3Hz
I=2πfCU test=2π×56.3×0.05×10-6×22×103=0.74A
Summary:Capacity Device ye220kVA/100KV; ye electrical resistor ye 4 ye, ye electrical resistor ye 1 ye55kVA/30kV/2.5ATɛ̈n yenë yen luɔ̈ɔ̈i thïn, a bɛ se ka tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen tɛ̈n yenë yen
6. Luɔ̈ɔ̈i de kaam ye tɔ̈u në thëm
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