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)
| According to the standard | Designed according to IEC60384-14 and GB/T6346.14-2015 4.18, the tested capacitor is subjected to 20 discharges of an energy storage capacitor. After the energy storage capacitor is discharged, the tested capacitor is charged to a voltage of Ui; The interval between each two discharges is 5 seconds, and the spontaneous combustion of the capacitor is tested。 |
| Output DC high voltage | 0-8000V, continuously adjustable, resolution 1V, digital display accuracy ± (5% reading+30 words) |
| Output AC voltage | AC0～800V， Continuously adjustable, resolution 1V, digital display accuracy ± (1% reading+5 words) |
| AC filtering network | According to standard configuration |
| Sample capacity | Not greater than 15uF |
| Pulse interruption time | 1~9999s, adjustable and digital display, accuracy: ± (0.1 seconds+3%) |
| energy-storage capacitor | Subject capacity ≤ 1uF, Ct is 3uF 1uF ＜ Subject capacity ≤ 8uF, Ct is 24uF 8uF ＜ Subject capacity ≤ 15uF, Ct is 45uF |
| Number of tests | 1 to 99 times can be set |
| Application method of discharge pulse | Random asynchronous |
| program control | Using PLC+touch screen program control |
| Fusible link | Equipped with 16A chronic fuse |
| Stainless steel inner liner test box | Equipped with explosion-proof and safe stainless steel inner testing box, with tempered glass observation window |
| User provided | Experimental cotton yarn, 1000:1 high voltage probe, digital storage oscilloscope |
| power supply | Single phase AC220V 10KVA |
| Box Structure | Aluminum alloy+iron plate spraying |
| Equipment appearance dimensions | 800 (length) * 800 (width) * 1800 (height), weighing approximately 150KG |
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
