RXCBE-7800 DC self-healing test bench for capacitors (new model)

1、 Overview

This device is designed according to the testing requirements of GB/T17702-2013 and is used for conducting DC self-healing tests and inter electrode withstand voltage tests on DC self-healing capacitors

(Suitable for power capacitors, film capacitors, etc.)

2、 Equipment Description

1. Equipment Introduction: Users can set the test parameters at once, and the equipment will automatically test the test results after startup

2. System composition: electrical cabinet, automatic voltage boosting device, programmable control device, self-healing frequency acquisition device, protection device

3、 Parameter indicators:

1. Load: 1 unit

When the rated voltage is not greater than 2KV, the capacity is ≤ 3000uF

2. Inter electrode withstand voltage test mode: It can automatically boost the voltage, start timing when the boost reaches the set voltage value PU, and stop automatically when the test time is up

Self healing testing mode: first boost to PU, then delay Pt time, and then continue to boost to U2,

If the self-healing frequency or voltage rises to the set value U2 during the above process, it can automatically reduce the voltage and then stop the machine

3. Test voltage: DC100-10000V continuously adjustable, digital display accuracy ± 1%+3 words

Test current: 0-1000mA, digital display accuracy ± 3%+5 words

4. Test time: 10.0-999.9 seconds, travel time error ≤ ± 0.2%

5. Self healing times: 1 to 10 times can be set

Self healing frequency collection method: using pulse method, the self-healing frequency will automatically increase once when a self-healing occurs

RXCBE9851 capacitor spontaneous combustion test bench (new model)

RXCBE6800E capacitor destructive testing device (new model)

1、 Overview

According to the latest standards such as GB 3667.1-2016, GB 18489, VDE0560-8, IEC60252, this series of devices conducts destructive tests on AC motor operating capacitors and AC motor self-healing starting capacitors with a rated voltage of 500V and below. It contains two parts: DC testing instruments and AC instruments. The DC power supply should be able to provide an open circuit voltage equivalent to 10UN and have the ability to provide a continuous short-circuit current greater than 50mA; The AC power supply should be able to provide a test voltage equivalent to 1.3UN, and the instantaneous short-circuit current should be at least 300A. The equipment has DC voltage and current, AC voltage and current display; The equipment also has protective measures such as load short circuit and overload; It has the characteristics of simple operation, intuitive display, and convenient adjustment.

Provide P1, P2 or S1/S2, S3 security standard compatibility testing.

The whole machine adopts PLC+touch screen control, which automatically controls the voltage rise and fall, and completes the test automatically.

2、 Main technical parameters:

1. Test scope: Capacity 1-100uF

2. Equipment load capacity: 1 self-healing capacitor;

3. Test voltage:

AC: 0-700V ± 1% FS

DC: 0-2.5~4~5KV ± 1% FS

Capable of providing a continuous short-circuit current greater than 50mA;

Boosting speed: 100-1000V/minute with an accuracy of approximately ± 20%

4. Current display:

AC current: 1-25A ± (0.75% reading+0.75% reading range)

DC current: 1-100mA ± (0.75% reading+0.75% reading range)

5. Timed test time:

DC experiment 5-minute timer: adjustable ± 0 for 0-99 minutes ２％

The device comes with a 2-hour AC preheating operation timer: ± 0 ２％

Communication open circuit or 5-minute running timer: 0-9H59Min adjustable ± 0 ２％

AC short circuit 8-hour timing: adjustable from 0 to 9H59Min ± 0 ２％

6. The equipment has electric voltage regulation and automatic timing functions; The device comes with a preheating function when powered on; There are protective measures such as overcurrent and overvoltage; There is leakage protection and explosion-proof testing chamber to ensure safe and reliable operation of the test.

7. The equipment adopts PLC+touch screen control, and automatically completes testing according to the set parameters, which is convenient and simple

8. Equipment approximate dimensions: length 1600, width 650, height 1600, weight approximately 500kg

9. Electric hot air drying oven (inner tank capacity of about 30L) used for experimental matching:

A、 Temperature uniformity: ≤ ±3℃

B、 Temperature control range: ambient temperature+15 ℃~200 ℃

C、 It has over temperature protection and automatic power-off function after the test is completed.

D、 The test chamber is safe and explosion-proof, ensuring the safe and reliable operation of the test

E、 On both sides of the test box, there is a 60mm diameter outlet hole

10. Work environment:

(1) Environmental temperature: 0-40 ℃

(2) Relative humidity: ≤ 85% and no condensation

(3) Working power supply: AC220V ± 10%, capacity 30KVA