AC Resonance Test System GDTF-120kVA/120kV

• Model NO.: GDTF-120kVA/120kV
• Certification: ISO9001
• Customized: Customized
• Color: Red
• Rated Capacitiy: 120kVA
• Rated voltage: 30kV; 120kVA
• Rated current: 4A; 1A
• Working time: constant working of 5mins under rated load; worki
• System Quality Factor: Maximum Load >= 20
• Protective function: overcurrent, overvoltage and flashover protection
• Power Supply: 220V or 380V Single-Phase
• Working Frequency: 30-300Hz
• Transport Package: Wooden Case
• Specification: ISO, SGS
• Trademark: HV Hipot
• Origin: China
• HS Code: 9030849000
• Production Capacity: 500PCS/Year

Product Description

I. Test Object and Requirement
 
The system is specially designed for AC withstand voltage test for below items, with below specifications and requirements.
 

Test Object	Specifications	Capacitance	Test Frequency	Test Voltage	Test Time
Transformer	6/66kV/25000kVA	≤0.012uF	45-65Hz	112kV	1min
Generator	6kV/12MW	≤0.1uF	45-65Hz	15kV	1min

 
 
II. Working Environment
 

Environmental temperature	-15ºC to 45ºC
Related humidity	≤ 90% RH
Altitude	≤ 3km

 
III. Technical Data
 

Rated capacity	120kVA
Input power supply:	Single phase 220V or three phase 380V; 50Hz
Rated voltage:	30kV; 120kVA
Rated current	4A; 1A
Working Frequency	30-300Hz
Output waveform	sine wave
Waveform distortion rate	≤1%
Working time:	constant working of 5mins under rated load; working of 1min, under 1.1 times of rated voltage
Temperature rise:	≤65K after constant working of 5mins under rated load
Quality factor:	Q ≥30 (f=45Hz)
Protective function	overcurrent, overvoltage and flashover protections for test object
Accuracy	1.5% (RMS)

 

Combination utilization   Test object	HV Reactor        30kVA/30kV	Selection of Excitation transformer output end	Testing voltage(kV)
6/66kV/25000kVA Transformer	4 set reactors in series	5kV	≤112kV
6kV/12MW Generator	1 set reactor	2.5kV	≤15kV

 
 
IV. Parameters for Individual Parts
 
1. Exciting Transformer  GDJL-6kVA/2.5/5kV/0.4kV (1 set)
 

Rated capacity	6kVA
Input voltage	0-400V, single phase
Output voltag	2.5/5kV
Type	Dry type transformer
Weight	approx. 38kg

 
2. Variable frequency power supply  GDTF -6kW/220/380V (1 set)
 

Rated output capacity	6kW
Working power supply	220/380±10%V (single/ three phase, power frequency)
Output voltage:	0-400V, single phase
Rated input current	13A
Rated output current	13A
Voltage resolution	0.01kV
Voltage measuring accuracy	0.5%
Frequency adjusting range	30-300Hz
Frequency adjusting resolution	≤ 0.1Hz
Frequency stability	0.1%
Working time	constant working of 5mins under rated capacity.
Temperature rise	≤ 65K after constant working of 5mins under rated capacity.
Noise	≤50dB
Weight	10kg

3. HV Reactor  GDDK-30kVA/30kV (4 sets)
 

Rated capacity	30kVA
Rated voltage	30kV
Rated current	1A
Inductance	100H (per set)
Quality factor	Q ≥30 (f=45Hz)
Type	Dry type transformer
Weight	approx. 50kg

 
4. Capactive Divider  GDFR-120kV/800pF (1 set)
 

Rated voltage	120kV
Capacitance	800pF
Dielectric loss	tgσ ≤0.5%
Divider ratio	1500:1
Measuring accuracy	1.5%
Weight	approx. 9kg

 
5. Compensated capacitor   GDBC-120kV/8000pF (1 set)
 

Rated voltage	120kV
Capacitance	8000pF
Weight	approx. 10kg

 
V. Packing List
 

No.	Name	Module No. & SPECS	Quantity
1	Exciting Transformer	GDJL-6kVA/2.5/5kV/0.4kV	1 set
2	Variable frequency power supply	GDTF-6kW/220/380V	1 set
3	HV Reactor	GDDK-30kVA/30kV	4 sets
4	Capactive Divider	GDFR-120kV/800pF	1 set
5	Compensated capacitor	GDBC-120kV/8000pF	1 set
6	Connecting Cable		1 set
7	Factory Test Report		1 copy
8	User's Guide		1 copy