Product features: (1) The current closed-loop control strategy is adopted to achieve stable current output, which is not affected by load changes. Compared with the traditional test method of voltage source + load + equipment to be tested, the capacity is reduced, the energy consumption is reduced, and the large-capacity load is saved. (2) The use of SPWM high-frequency inverter to achieve constant current output, compared with the motor control type constant current source, constant current accuracy is high, response speed is fast, distortion degree is small, high efficiency, due to external
Product features:
(1) The current closed-loop control strategy is adopted to achieve stable current output, which is not affected by load changes. Compared with the traditional test method of voltage source + load + equipment to be tested, the capacity is reduced, the energy consumption is reduced, and the large-capacity load is saved.
(2) The use of SPWM high-frequency inverter to achieve constant current output, compared with the motor control constant current source, constant current accuracy is high, response speed is fast, distortion degree is small, high efficiency, due to external temperature changes caused by temperature drift can be ignored, is the future development trend of industry testing
(3) The output current is large, the maximum current can reach thousands of amps, suitable for distribution cabinet busbar, circuit breaker aging test
(4) Wide range of output current and frequency Settings, which can adapt to different industry needs
(5) Built-in power measurement circuit, can measure current, voltage, frequency, power, test time and other parameters
(6) The dynamic response speed is fast, and the load mutation reaction time is within 20ms
(7) The output current and frequency Settings can be adjusted in real time, and the output can be updated immediately
(8) The key technical indicators of the whole machine adopt the multi-margin design concept, voltage stress, current stress, calorific value have been strictly technical demonstration, and strict type test, high reliability, long life.
(1) single-phase AC constant current source
Product name | Single-phase AC constant current source | ||||||||||
Product model | BA5110-30S | BA5120-30S | BA5150-15S | BA51100-115S | BA51200-15S | BA53400-15S | BA53600-15S | BA53800-15S | BA531000-15S | BA532000-15S | BA533000-15S |
Current range | 0 to 10A | 0 to 20A | 0 to 50A | 0 to 100A | 0 to 200A | 0 to 400A | 0 to 600A | 0 to 800A | 0 to 1000A | 0 to 2000A | 0 to 3000A |
Open-circuit voltage | 30V | 15V | |||||||||
Basic function | |||||||||||
Output function | Output a stable current value | ||||||||||
Isolation function | Built-in isolating transformer | ||||||||||
Connection mode | Input: single-phase two-wire Output: single-phase two-wire | Input: three-phase and four-wire Output: single-phase two-wire | |||||||||
Input parameter | |||||||||||
Input phase number | Single-phase two-wire +PE | Three-phase four-wire +PE | |||||||||
Input voltage range | 220V±22V(L-N) | 380V±38V(L-L) | |||||||||
Input frequency range | 48 to 52Hz | ||||||||||
Input power factor | 0.93 | ||||||||||
Output parameter | |||||||||||
Output phase number | Single-phase two-wire +PE | ||||||||||
Output waveform | Single phase sine wave output | ||||||||||
Current setting accuracy | Accuracy: ≤0.5% Resolution: 0.01A/0.1A | Accuracy: ≤0.5% Resolution: 0.1A/1A | |||||||||
Output frequency | 45.0 to 65.0Hz | ||||||||||
Frequency setting accuracy | Accuracy: ≤0.1% Resolution: 0.1Hz | ||||||||||
Test time | 0.0 ~ 99.9s | ||||||||||
Time accuracy | Accuracy: ≤0.1%+0.1s Resolution: 0.1s | ||||||||||
Frequency stability | 0.1% or less | ||||||||||
Current distortion (ITHD) | < 3%(linear load) | ||||||||||
Load sudden change response time | ≤20ms | ||||||||||
Current crest factor | 1.41 + / - 0.1 | ||||||||||
Source voltage effect | 1% or less | ||||||||||
Load effect | 1% or less | ||||||||||
efficiency | > 85% | ||||||||||
Functional operation | |||||||||||
Waveform mode | Sinusoidal wave | ||||||||||
Automatic memory function | Set parameter automatic memory, boot automatic call | ||||||||||
Real-time adjustment function | In the output state, the output current and output frequency Settings can be adjusted in real time by the increase or decrease key, and the output can be updated immediately; | ||||||||||
Shortcut call | 6 shortcut groups; | ||||||||||
Measurement display | |||||||||||
Display mode | LCD screen | ||||||||||
Current measurement accuracy | Accuracy: 0.2%FS+0.3% Display value resolution: 0.01A/0.1A | Accuracy: 0.2%FS+0.3% Display value resolution: 0.1A/1A | |||||||||
Voltage measurement accuracy | Accuracy: 0.2%FS+0.3% Display value resolution: 0.001V | ||||||||||
Frequency measurement accuracy | Accuracy: 0.1% Resolution: 0.1Hz | ||||||||||
Power measurement accuracy | Accuracy: 0.2%FS+0.3% Display value resolution: 1W/0.01kW | ||||||||||
Protection function | |||||||||||
Protective device | Open circuit protection, overload protection, overheat protection | ||||||||||
Remote interface | |||||||||||
Communication interface | Standard: RS232 Optional: RS485 | ||||||||||
Working environment | |||||||||||
Operating temperature | 0 to 40 ° C | ||||||||||
Working humidity | 20 ~ 90%RH(non-condensation) | ||||||||||
Volumetric weight | |||||||||||
Size (W×H×Dmm) | 483 * 178 * 400 | 483 * 750 * 400 | 483 * 1000 * 600 | 483 * 1400 * 800 | 750 * 1400 * 1100 | ||||||
Weight (Kg) | 30 | 30 | 40 | 50 | 60 | 90 | 130 | 200 | 240 | 500 | 800 |
(2) three-phase AC constant current source
Product features:
(1) The current closed-loop control strategy is adopted to achieve stable current output, which is not affected by load changes. Compared with the traditional test method of voltage source + load + equipment to be tested, the capacity is reduced, the energy consumption is reduced, and the large-capacity load is saved.
(2) The use of SPWM high-frequency inverter to achieve constant current output, compared with the motor control constant current source, constant current accuracy is high, response speed is fast, distortion degree is small, high efficiency, due to external temperature changes caused by temperature drift can be ignored, is the future development trend of industry testing
(3) The output current is large, the maximum current can reach thousands of amps, suitable for distribution cabinet busbar, circuit breaker aging test
(4) Wide range of output current and frequency Settings, which can adapt to different industry needs
(5) Built-in power measurement circuit, can measure current, voltage, frequency, power, test time and other parameters
(6) The dynamic response speed is fast, and the load mutation reaction time is within 20ms
(7) The output current and frequency Settings can be adjusted in real time, and the output can be updated immediately
(8) The key technical indicators of the whole machine adopt the multi-margin design concept, voltage stress, current stress, calorific value have been strictly technical demonstration, and strict type test, high reliability, long life.
(1) single-phase AC constant current source
Product name | Single-phase AC constant current source | ||||||||||
Product model | BA5110-30S | BA5120-30S | BA5150-15S | BA51100-115S | BA51200-15S | BA53400-15S | BA53600-15S | BA53800-15S | BA531000-15S | BA532000-15S | BA533000-15S |
Current range | 0 to 10A | 0 to 20A | 0 to 50A | 0 to 100A | 0 to 200A | 0 to 400A | 0 to 600A | 0 to 800A | 0 to 1000A | 0 to 2000A | 0 to 3000A |
Open-circuit voltage | 30V | 15V | |||||||||
Basic function | |||||||||||
Output function | Output a stable current value | ||||||||||
Isolation function | Built-in isolating transformer | ||||||||||
Connection mode | Input: single-phase two-wire Output: single-phase two-wire | Input: three-phase and four-wire Output: single-phase two-wire | |||||||||
Input parameter | |||||||||||
Input phase number | Single-phase two-wire +PE | Three-phase four-wire +PE | |||||||||
Input voltage range | 220V±22V(L-N) | 380V±38V(L-L) | |||||||||
Input frequency range | 48 to 52Hz | ||||||||||
Input power factor | 0.93 | ||||||||||
Output parameter | |||||||||||
Output phase number | Single-phase two-wire +PE | ||||||||||
Output waveform | Single phase sine wave output | ||||||||||
Current setting accuracy | Accuracy: ≤0.5% Resolution: 0.01A/0.1A | Accuracy: ≤0.5% Resolution: 0.1A/1A | |||||||||
Output frequency | 45.0 to 65.0Hz | ||||||||||
Frequency setting accuracy | Accuracy: ≤0.1% Resolution: 0.1Hz | ||||||||||
Test time | 0.0 ~ 99.9s | ||||||||||
Time accuracy | Accuracy: ≤0.1%+0.1s Resolution: 0.1s | ||||||||||
Frequency stability | 0.1% or less | ||||||||||
Current distortion (ITHD) | < 3%(linear load) | ||||||||||
Load sudden change response time | ≤20ms | ||||||||||
Current crest factor | 1.41 + / - 0.1 | ||||||||||
Source voltage effect | 1% or less | ||||||||||
Load effect | 1% or less | ||||||||||
efficiency | > 85% | ||||||||||
Functional operation | |||||||||||
Waveform mode | Sinusoidal wave | ||||||||||
Automatic memory function | Set parameter automatic memory, boot automatic call | ||||||||||
Real-time adjustment function | In the output state, the output current and output frequency Settings can be adjusted in real time by the increase or decrease key, and the output can be updated immediately; | ||||||||||
Shortcut call | 6 shortcut groups; | ||||||||||
Measurement display | |||||||||||
Display mode | LCD screen | ||||||||||
Current measurement accuracy | Accuracy: 0.2%FS+0.3% Display value resolution: 0.01A/0.1A | Accuracy: 0.2%FS+0.3% Display value resolution: 0.1A/1A | |||||||||
Voltage measurement accuracy | Accuracy: 0.2%FS+0.3% Display value resolution: 0.001V | ||||||||||
Frequency measurement accuracy | Accuracy: 0.1% Resolution: 0.1Hz | ||||||||||
Power measurement accuracy | Accuracy: 0.2%FS+0.3% Display value resolution: 1W/0.01kW | ||||||||||
Protection function | |||||||||||
Protective device | Open circuit protection, overload protection, overheat protection | ||||||||||
Remote interface | |||||||||||
Communication interface | Standard: RS232 Optional: RS485 | ||||||||||
Working environment | |||||||||||
Operating temperature | 0 to 40 ° C | ||||||||||
Working humidity | 20 ~ 90%RH(non-condensation) | ||||||||||
Volumetric weight | |||||||||||
Size (W×H×Dmm) | 483 * 178 * 400 | 483 * 750 * 400 | 483 * 1000 * 600 | 483 * 1400 * 800 | 750 * 1400 * 1100 | ||||||
Weight (Kg) | 30 | 30 | 40 | 50 | 60 | 90 | 130 | 200 | 240 | 500 | 800 |
(2) three-phase AC constant current source
