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Residual Current Operated Circuit Breaker Tester AB Type
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Product Description
I. Equipment Overview
The residual current operated circuit breaker tester is a residual current testing equipment designed and developed by our company according to the requirements of electronic and electromagnetic leakage products.
The test bench is composed of components such as relays, LCD screens, circuit boards, and transformers. It is controlled by a single-chip microcomputer and can automatically test products according to the selected process. The equipment is simple to operate and has high testing efficiency. It is an ideal equipment component for circuit breaker manufacturers to perform batch rapid testing of circuit breakers. It is controlled by a single-chip microcomputer and can automatically test products according to the selected process. The equipment is simple to operate and has high testing efficiency. It is an ideal equipment for circuit breaker manufacturers to perform batch rapid testing of circuit breakers.
II. Main Applicable Scope
A. New energy electric vehicle charging industry
Compliant with IEC/GB standards:
IEC62423/GB22794 Type B and Type F residual current performance test requirements;
IEC62752/NB T42077 IC-CPD residual current performance test requirements;
Applicable to IC-CPD, PCBA and transformers in production sites and R&D laboratories
Complies with the relevant provisions of national standards GB 16916.1, GB16917.1, and GB22794:
B. Traditional low-voltage electrical appliance industry
Complies with IEC/GB standards: IEC60947/IEC61008/IEC61009 and GB14048/GB16916/GB16917 standards regarding Type A and Type AC residual current performance test requirements; IEC62423/GB22794 Type B and Type F residual current performance test requirements;
Applicable to electronic/electromagnetic RCDs, PCBAs and transformers in production sites and R&D laboratories
C. Photovoltaic industry
DC residual current performance test;
Applicable to DC residual current function detection in production sites and R&D laboratories
III. Usage Conditions
1. Temperature: (10-35)℃, and the average daily temperature over 24 hours does not exceed 35℃.
2. Relative humidity: The maximum relative humidity is 80% when the temperature is below 25℃; when the temperature is 40℃, the relative humidity decreases linearly to 50%.
3. Pollution level: Level 2.
4. Altitude: The altitude of the place of use does not exceed 2000m.
5. Working place: There should be no obvious mechanical vibration, no large amount of dust and corrosive gas, and no strong electromagnetic interference and other radiation interference.
6. Air pressure requirement: 0.5—0.8MPa.
IV. Main Technical Parameters:
1. Working power supply: AC 380V×(1±10%)50Hz;
2. Output current: 7A (this is the AC output current, other types of current are reduced proportionally)
3. Maximum current output frequency: 1K (Hz)
4. Insulation resistance: ≥10MΩ
5. Production rhythm: According to the selected project
6. Equipment compatibility: Compatible with multiple product types
7. Current waveform: Type B (including DC superimposed waveform, two-phase rectified waveform, three-phase rectified waveform, smooth DC, high-frequency sine wave and composite wave)
8. Type A (pulsating DC 0°, 90°, 135°) AC type (power frequency sine wave)
9. Has unqualified prompt function
10. Output voltage: phase voltage AC 50V, 110V, 187V, 220V,
11.242V, fixed gear output, resolution: 0.1V, accuracy level: 1.0 level.
12. AC type 50Hz AC residual current: 2mA-7A, continuously adjustable, accuracy level: 0.3 level
13. Type A half-wave pulsating residual current:
14.0 degrees: 5mA-6A 90 degrees: 5mA-4A 135 degrees: 5mA-2.5A, fine
15. Degree level: 2.0 level
16. High-frequency sine wave residual current: 2mA-7A, frequency 100-1K, (every 50Hz is a level), accuracy level: 0.3 level
17. Smooth DC current: 2mA-7A Accuracy level: 0.5 level.
18. Composite wave: 2mA-7A Accuracy level: 0.5 level
19. Computer self-provided
20. Leakage current tester The leakage current tester is mainly composed of DSP28335, FPDA, AD9954 digital frequency module, main core components:
DSP28335 chip
DSP28335 uses 32-bit floating point numbers with a main frequency of 150MHz. The practical development board adopts a core board and split mode.
DSP28335 has 34k*16-bit single-cycle single-access random access memory SRAM, divided into 10 blocks,
Namely M0, M1, L0-L7. There are also 256k*16-bit embedded FLASH memory and 1k*16-bit one-time editable EEPROM memory, which are protected by user password.
AD9954 digital frequency module: adopts advanced technology, built-in high-performance DAC, constitutes a complete number
The word programming, high-frequency synthesizer can generate agile analog output sine waves up to 150MHz. It can achieve fast frequency hopping, and also has precise frequency adjustment (0.01Hz) and phase harmonics (0.022 degree interval). The default program is 1Hz. The device has built-in static RAM, supports scanning functions in multiple modes, and supports user-defined linear scanning working mode.
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Dongguan Zhongjia Testing Equipment Technology Co., Ltd
86135 8080 6147(Technical Director)
86135 8090 9432(Mr. Guo, Manager)
Building 1, Guanghui Zhigu, No. 86, Yinkang Road, Hengli Town, Dongguan City
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