GYCX (L) Adjustable Induction Power Frequency Series Resonan

Update Date：2020/05/25 19:29
Brief Description： With the development of the power system, the capacity of operating equipment is getting larger and larger, such as thermal power generating units, the single unit capacity has exceeded 1000MW, and the maximum capacity of hydraulic generating units, ...

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Product Details

Technical Specifications

Rated Output Voltage	0～60kV(AC RMS) and below
Output Frequency	50Hz
Resonant voltage waveform	Pure sine wave, waveform distortion rate≤1.0%
Full load working time	Continuous working time 1min
System quality factors	10 ~40
Frequency adjustment fineness	3000 KVA and below
Operating Power Supply	Three Phase 380V±15%，Frequency:50Hz±5%

Series product configuration (applicable scope (AC voltage test of generator or motor with outlet voltage of 20kV and below, test frequency: 50Hz))
Model	Control Panel	Regulator	Reactor	Excitation Transformer	Divider	Scope of application
GYCX(L)- 200kVA/25kV	30kW	30kVA(electric)	200kVA/25kV one set	30kVA dry	30kV	Thermal Generating Unit。0.4～1.0μF。(10kV/40MW)
GYCX(L)- 300kVA/50kV	60kW	60kVA(electric)	300kVA/50kV one set	60kVA Oil-immersed	50kV	Thermal Generating Unit。0.27～0.33μF。(20kV/300MW)
GYCX(L)- 600kVA/50kV	60kW	60kVA(electric)	200kVA/50kV one set	60kVA Oil-immersed	50kV	Thermal Generating Unit。0.113～0.45μF。(20kV/600MW)
			400kVA/50kV one set
GYCX(L)- 1200kVA/50kV	120kW	120kVA(induction)	200kVA/50kV two sets	120kVA Oil-immersed	50kV	Hydroelectric Generetor。0.6～1.8μF。(20kV/250MW)
			800kVA/50kV one set
GYCX(L)- 2750kVA/55kV	300kW	300kVA(induction)	750kVA/55kV two sets	120kVA Oil-immersed	60kV	Hydroelectric Generetor。1.6～3.3μF。(20kV/770MW)
			1250kVA/55kV one set
Note: The solution can be customized according to the parameters of the test object

Reference table of electric capacity of common hydraulic generators in power system
Hydroelectric generator	Rated Capacity(WM)	Rated Volage(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	2～2.5
	600	/	2.1～2.5

Product Features

1. Due to full resonance and reactive power compensation, the power of the power supply and equipment
is only less than 1/10 of the required capacity of the tested product (1 / Q10); the volume of the same
capacity is small, the weight is light, and the output capacity of the device is large and the required configuration
of the power has small capacity, low price, convenient and safe operation.
2. The series resonance is actually a current filtering circuit, so that the current passing through the tested
product is basically the fundamental current, and the waveform distortion rate (THD) of the output voltage
is extremely small, which is superior to all existing types of AC withstand voltage equipment.
3. The short circuit current after flashover or breakdown of the test product is only 1/10 or less (1 / Q) of
the test current before short circuit, which can effectively prevent the damage to the fault point after the breakdown.
4. The arc is automatically extinguished immediately after the flashover, and the resonant state is restored after
the arc is extinguished. The process of establishing the voltage is longer (seconds). It is a steady-state
establishment process. There is no worry about voltage overshoot and no microsecond-level or millisecond-level
transient resuling from the overvoltage recovery during the process.

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GYCX (L) Adjustable Induction Power Frequency Series Resonan