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TKBPXZ(L) Power Frequency Series Resonant Test System
| Model No. : | TKBPXZ(L) |
|---|---|
| Brand Name : | gdmk |
| place of origin : | China |
Product description
Product Introduction
With the development of power system the capacity of running equipment is increasing. For example Thermal generator group the single capacity has exceeded 1000MW and hydrodynamo group the maximum capacity has reached 800MW. If traditional test equipment (power frequency test transformer) is used for the ac power frequency withstand Voltage test of these devices the regulator is very bulky because of the large test capacity required and the high-capacity test power supply is difficult to solve in the field so the field test is extremely inconvenient. The Power frequency withstand voltage tester host no matter from test Power supply capacity equipment weight the waveform and has advantages in such aspects as investment. The Power frequency withstand voltage tester host focuses on the potential of capacity of 250 mw and below hydrodynamo ac withstand voltage test of the design and manufacture.
Product Characteristics
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1、Due to full compensation of resonant reactive power the power of power supply and equipment is less than 1/10 of the required capacity of the subject (1/q10); Small size and light weight with the same capacity large output capacity of the device and small power capacity required for configuration cheap convenient and safe operation.
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2、Series resonance is actually a current filtering circuit so that the current passing through the subject is basically the fundamental current and the waveform distortion rate (THD) of the output voltage is very small which is superior to all existing ac voltage withstand equipment.
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3、The short circuit current of the sample after flashover or breakdown is only less than 1/10 (1/Q) of the test current before short circuit which can effectively prevent the expansion of damage to the fault point after breakdown.
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4、After flashover the arc will be automatically extinguished immediately. The long (number of seconds) process of restoring resonant state voltage after arc quenching is a steady-state establishment process and there is no danger of voltage overshoot and no danger of restoring overvoltage in microsecond millisecond transient process.
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Product Parameters
Technical parameters
Serial product configuration(Scope of application(Ac withstand voltage test for generator or motor with outlet voltage of 20kV or below test frequency: 50Hz))Rated output voltage 0 ~ 60kV(AC RMS) and below output frequency 50Hz Resonance voltage waveform Pure sine wave waveform distortion rate ≤1% Work system Full power conticontrol consolenuous working time of 1min quality factor 10～40 Maximum test capacity 3000kVA and below Working power supply 380V±15%、Power frequency 50Hz
Capacitance of the power system commonly used hydrodynamo reference tableProduct model control console Voltage regulator reactor(dry) Excitation transformer(dry) Voltage divider Scope of application TKBPXZ(L)- 200kVA/25kV 30kW 30kVA(electric) 200kVA/25kV Adjustable one 30kVA dry 30kV hydrodynamo.0.4～1.0μF.(10kV/40MW) TKBPXZ(L)- 300kVA/50kV 60kW 60kVA(electric) 300kVA/50kV Adjustable one 60kVA oil-immersed 50kV Thermal generator.0.27～0.33μF.(20kV/300MW) TKBPXZ(L)- 600kVA/50kV 60kW 60kVA(electric) 200kVA/50kV Adjustable one
400kVA/50kV Adjustable one60kVA oil-immersed 50kV Thermal generator.0.113～0.45μF.(20kV/600MW) TKBPXZ(L)- 1200kVA/50kV 120kW 120kVA(induction) 200kVA/50kV Fixed two
800kVA/50kV Adjustable one120kVA oil-immersed 50kV hydrodynamo.0.6～1.8μF.(20kV/250MW) TKBPXZ(L)- 2750kVA/55kV 300kW 300kVA(induction) 750kVA/55kV Fixed two
1250kVA/55kV Adjustable one120kVA oil-immersed 60kV hydrodynamo.1.6～3.3μF.(20kV/770MW) hydrodynamo Rated Capacity(WM) rated voltage(kV) Phase capacitor(μF) 72.5～85 10.5 0.694 125～150 / 1.8～1.9 300 15.75 1.7～2.5 400 18.0 2～2.5 600 / 2.1～2.5
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