Installation maintenance testing induction voltage withstand test device

NegotiableUpdate on 01/22

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

The multi frequency induction withstand voltage test device is designed and manufactured to meet the above requirements. After extensive user experience, it has been proven that it is easy to operate, reliable in performance, and can better meet the needs of induction withstand voltage tests for transformers and mutual inductors.

Product Details

Product features

1. The device adopts power electronics technology, and the internal core part uses a variable frequency regulator.
2. Parameter presetting, protection settings, frequency selection, voltage regulation control, etc., all adopt digital control technology.
3. Built in PC, 8-inch color LCD display, data storage can reach 3200 sets.
4. Adopting a touch based operation method and equipped with a thermal printer for Chinese character printing.
5. Test frequencies of 50Hz, 100Hz, 150Hz, and 200Hz can be preset (optional).
6. By adjusting the voltage through touch, the device can achieve multi frequency test voltage output.
7. The step size can be adjusted in real-time, allowing for the selection of 1V, 2V, 5V, and 10V.
8. Built in LC filtering circuit ensures that the waveform distortion rate is within the specified range.
9. Built in compensating inductance to compensate for the capacitance current of the tested equipment and improve the load carrying capacity of the device.
10. Abandoning the generation principle of traditional three-phase five column triple frequency generators.
11. Small size, light weight, easy to carry, and convenient for high-power conversion.
12. Not only does it generate three harmonics, but it can also produce test voltage outputs of 1, 2, 3, and 4 harmonics.
13. The operation and wiring are simple, and the requirements for the capacity of the on-site test power supply are greatly reduced.

parameter

1. Capacity: 10kVA (expandable)
2. Input voltage: AC, three-phase, 380V ± 10% (note: single-phase 220V can also be connected to the A and C terminals of the power input); But at this time, the capacity is halved
3. Power frequency: 50Hz
4. Output voltage: 0-500V (voltage can be increased after configuring an intermediate transformer)
5. Output frequency: 50Hz, 100Hz, 150Hz, 200Hz (optional/more frequencies can be customized)
6. Waveform distortion rate:<3%

The difference between multiple harmonics and three harmonicsThrough the following comparison, surprising discoveries will be made.
1The difference between multiple harmonics and three harmonics---Specifications

serial number	triple frequency				multiple frequency
1	The input must be three-phase AC380V				Three phase AC380V
					2-phase AC380V; 220V
2	The output is only 150Hz				50、100、150、200Hz
3	Manually adjust the output				Manual and automatic adjustment of output
4	Large volume, heavy weight, 2 or 3 pieces				Small size, light weight, 1 piece
5	Pointer display, electromagnetic type				Digital display, power electronics
6					Printing, saving, LCD display
7	This feature is not available.				Effectively monitor the acoustic effect to avoid equipment damage
8	KVA/V	voltage	Current A	weight	KVA/V	voltage	Current A	weight
	5/500	500V		45	5.5	400V		15
	10/500			65	11			25
	15/500			85	15			35
	20/500			100	22.5			55
	50/1000			150	30			75

2The difference between multiple harmonics and three harmonics---Parameters

Capacity specification (kW)	7	10	15	20	30	50
Output current (A)	17	25	36	50	72	125
Instrument weight (kg)	About 20	About 28	About 44	About 55	About 70	About 85
Dimensions (mm)	430310340		570 * 400 * 350 (excluding wheels)		950780640

The difference between multiple harmonics and three harmonicsMain purpose:It is to complete the induction withstand voltage test of transformers and 35-220kV electromagnetic voltage transformers! Used to assess the main and longitudinal insulation strength of transformers and mutual inductors, as well as to conduct induction tests on the windings of motors and small transformers.

What is an induction voltage tester?

Inductive withstand voltage test refers to applying a voltage to the winding of a transformer, which is not less than twice the rated power supply voltage and the frequency is not less than twice the lower rated frequency; Require the winding to show no signs of burning, flying, breakdown, or damage during the specified duration of the voltage; Require that there is no significant change in the no-load current and power consumption under the rated working power supply before and after the induction withstand voltage test. According to the test standards, the induction test voltage for power transformers and voltage transformers should be approximately 2-3 times the working phase voltage. *At rated frequency and rated voltage, the iron core of the transformer is close to saturation. If a test voltage greater than the rated voltage is applied to both ends of the winding of the tested transformer using a power frequency source, the no-load excitation current will increase sharply, reaching an unacceptable level. The induction withstand voltage test of transformers and mutual inductors is an important test to verify whether the product meets the standards.