High Voltage Variable Frequency AC Series Resonant Test System for Substation Equipment Test System

• Customization: Available
• After-sales Service: Yes
• Warranty: 1 Year
• Model NO.: KDXZ
• Resonant Voltage Waveform: Sine Wave, Thd ≤ 1%
• Power Supply: 220V or 380V Single-Phase
• Rated Output Voltage: 27kv /54kv /108kv/135kv /216kv /270kv
• Output Frequency: 30 -300Hz
• Customized Support: OEM, ODM, Obm, Software Reengineering
• Frequency Adjustment: Fineness 0.1Hz, Instability ≤ 0.01%
• Output Waveform: Sine Wave
• Quality Factor: Max. Load ≥ 30
• Waveform Distortion Rate: ≤ 0.5%
• Full Load Working Time: Continuous Working Time 60mins
• Reactor Q Value: 30-200 (Optional)
• Power: Electronic
• Transport Package: Wooden Case
• Trademark: KDZD
• Origin: Hubei, China
• HS Code: 9030332000

Product Description

The device is designed and manufactured for AC withstand voltage test of 10kV / 35kV / 110kV /220kv cables, transformers and GIS. The reactor is designed in more than one separately, which not only can meet the test condition requirements for equipments with high voltage and low current, but also for low-voltage AC withstand voltage test of 10kV cable. The whole test set consists Variable frequency power source Exciting Transformers, Reactors, Capacitive Divider. This device can meet high voltage, low current device test conditions requirement, also meet low voltage, high current device test conditions requirement, with a wide scope of application, is ideal test equipment for power department, repair engineering units and high voltage testing deparment.

Selection of 10kV cable withstand voltage test
Cable cross-sectional area	75kVA/75kV	88kVA/44kV	132kVA/22kV	176kVA/22kV	220kVA/22kV	264kVA/22kV
630mm²	0.4kM	1.5kM	2kM	2.5kM	3.5kM	5kM
300m²	1.6kM	2kM	3kM	4kM	5kM	6.5kM
120m²	2.0kM	2.5kM	4.5kM	5.5kM	7kM	7.5kM
25m²	3.5kM	4.5kM	7kM	9kM	11.5kM	14kM
Number of reactor sections	2&3	2	3	4	5	6

Selection of 35kV cable withstand voltage test
Cable cross-sectional area	Voltage level	108kVA/54kV	108kVA/108kV	135kVA/108kV	216kVA/108kV	270kVA/270kV
630mm²	35kV cable		0.4kM	0.6kM	1.0kM	0.8kM
	10kV cable		1.5kM	1.8kM	3kM	2kM
300m²	35kV cable	0.6kM	0.7kM	1kM	1.6kM	1kM
	10kV cable	2kM	2.2kM	3kM	4kM	3.5kM
120m²	35kV cable	0.7kM	1kM	1.2kM	2.5kM	1.5kM
	10kV cable	1.5kM	2.5kM	3.5kM	5kM	4.5
25m²	35kV cable	1kM	1.5kM	2kM	3kM	2kM
	10kV cable	3kM	4kM	5.5kM	8kM	7kM
Number of reactor sections		4	4	4	4	6
Meet the test		Electrical equipment with voltage levels of 10kV and below	Electrical equipment with voltage levels of 10kV and below Electrical equipment with voltage levels of 35kV and below	Electrical equipment with voltage levels of 35kV and below	Electrical equipment with voltage levels of 35kV and below	110kV cable 300m ² 0.3kM withstand voltage test 110kV main transformer and below voltage level electrical equipment withstand voltage test

Features

 

Rated output voltage: 22kv/27kv /44kv/54kv/75kv /108kv/270kv

 

Output frequency: 30 -300Hz.

 

Resonant voltage waveform: sine wave, THD ≤ 1%.

 

Full load working time: continuous working time 60mins.

 

Quality factor: max. load ≥ 30.

 

Frequency adjustment: fineness 0.1Hz, instability ≤ 0.01%.

 

Over Current Protection , Over Voltage Protection, Arc Protection for Tested Object

 

Power supply: 220V or 380V single-phase.

 

 

Product Features

 

Large screen display of test data, test status, and real-time operation step prompt function

 

Capable of flexibly adjusting experimental voltage, frequency modulation range, and pressurization time

 

The test results can calculate the capacitance of the tested object

 

Equipped with a computer communication interface for easy communication and test data management

 

Small size, light weight, and convenient operation

 

High resolution, frequency resolution of 0.001HZ

 

High safety and reliability, the system has overcurrent, overvoltage, and discharge protection functions, which can effectively protect personal and equipment safety. Test results can be printed and upgraded into software

 

 

Complete set composition

 

The complete device consists of a variable frequency voltage regulating power supply, excitation transformer, reactor, voltage divider, and compensation capacitor.

 

For Example:

AC resonance test set 108KV/216KVA.

The system includes as below:

1.Exiting transformer 12KVA: 1 Unit

2.Voltage divider 120KV: 1 Unit

3.Variable frequency power source 12KW: 1 Unit

4.HV reactor 54KVA/27KV: 4 Units