Pressure test device, the variable frequency series resonance series resonance overvoltage withstand test of complete sets of equipment, variable frequency series resonance test device, the series resonance, the resonance frequency withstand voltage, main needle 10 kv, 35 kv, 110 kv, 220 kv cable, cable, generators, as well as 110 kv power transformer and the electricity for transformer, bus switch, all the main electrical equipment design and manufacture of ac withstand voltage test.Reactor USES more than separate design, can meet the equipment of high voltage, low current test requirements, and can meet like 10 kv cable, low voltage ac withstand voltage test requirements, has a wide scope of application, high pressure test is ground, city, county departments and electricity installation, try the ideal pressure equipment engineering unit.
Ac power frequency withstand voltage test device mainly inspired by variable frequency power supply, transformer, reactor, capacitor voltage divider.
Power frequency withstand voltage test apparatus main functions and technical features:
1, the device has the over voltage, over current, zero detuning (flashover) start, system protection function, such as over-voltage over-current protection values can be based on user needs setting, try flash fell upon protection action and can write down flashover voltage value, for experimental analysis.
2, the entire unit piece is very light weight, no more than 40 kg, convenient for field use.
3, the device has three work modes, convenient and flexible user according to the actual conditions to choose, to improve test speed.
Working mode is: the true color big screen automatic mode and manual mode, automatic tuning manually booster mode,
4, can store, deposited in the number of data is digital, help users to identify and find convenient.
5, automatic device frequency sweep frequency starting point can be set freely within the prescribed scope, frequency sweep direction can up and down, LCD screen display scanning curve at the same time, the convenient user intuitive understanding whether find resonance point.
6, using the technology of DSP platform, can according to user's need to increase or decrease in function and upgrade, also makes more humanized human-computer interface exchange.
7, 220 v / 380 v power supply convenient arbitrary input field power supply connection, large screen panel display, anti glare and reflection.
Second, the MLXB - 5400 kva / 5400 kv;540 kv power frequency withstand voltage test apparatus technology parameters
(a) MLXB - refers to the manufacturer code
(2) MLXB - 540 kva / 540 kv power frequency withstand voltage test apparatus
1.Rated voltage:
45 kV - meet 10 kV cable ac withstand voltage test;
135 kv - meet 35 kv cable, 35 kv ac withstand voltage test system;
270 kv - meet the ac withstand voltage test of 110 kv system;
2.The output voltage waveform distortion rate: < 1.0%
3. Allows continuous working time: one-time work under the condition of rated 30 minutes, in the 35 kv cable pressure, meet the continuous working 60 minutes
4.The device itself quality factor, Q > 50
5.Power generator capacity when testing resulted prime factors: Q > 10 (related to the load)
6.Cable test at full load resulted prime factors: Q > 30 (related to the load)
7.The main transformer test at full quality factor: Q > 30 (related to the load)
8. The GIS, switch when test at full quality factor: Q > 50 (related to the load)
9.Input power: single-phase 380 v
10.Frequency adjustment range: 20 hz ~ 300 hz
11.System measuring accuracy: 1.5%
12.Device with over-voltage, over-current protection functions such as, zero start
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