AT58612 Film capacitor charge and discharge tester

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OVERVIEW OVERVIEW
FEATURES FEATURES
SPECIFICATIONS SPEC
APPLICATIONS APP
DOCUMENTATION DOC
ACCESSORIES ACC
SOFTWARE SOFTWARE
应用

OVERVIEW

The AT58612 capacitor testing system is applied to capacitor manufacturers, capacitor users, and capacitor detection measurement units, and can perform DV/DT testing. The method is to first charge the tested capacitor and measure the DV/DT value during the rapid discharge process of the capacitor. The signal voltage, frequency, and discharge resistance can be set as needed. The signal is applied to both ends of the tested capacitor, and the test cycle is set. The capacitor is continuously tested, and the temperature rise, capacity, and loss of the capacitor are continuously monitored and recorded during the test process. Finally, evaluate whether the capacitor meets the requirements based on the temperature rise, capacity, and loss changes of the capacitor. By using this method for detection, whether it is the characteristics of the material (polarization characteristics), or the differences in structural design (plate resistance) and losses, they can be intuitively reflected through the changes in temperature rise and capacity loss of the capacitor.

FEATURES

Measure DV/DT values during the rapid discharge process of capacitors.
The signal voltage, frequency, and discharge resistance can be set as needed
Continuously monitor and record the temperature rise, capacity, and loss of capacitors, and evaluate whether the capacitors meet the requirements based on their temperature rise, capacity, and loss changes.

SPECIFICATIONS

● Power module	※ Programmable constant voltage and constant current source ※
Input voltage	380V AC 50Hz
Output voltage range	100~1200V(This parameter is for reference only and can be customized according to requirements)
Output current range	10A
Maximum output power	12000W
Power module voltage setting/readback accuracy	± 2%, ± 5dgt (set value=charging and discharging set voltage, the readback value can be viewed when the internal parameters are turned on)
● Charging module	※ Constant current charging module ※
Constant current charging range	About 9A
●Discharge module	Electronic load
Pulse carrying current range	MAX 3200A (theoretical value, actual value depends on external inductance and measured capacitance, internal 3200A current limitation of the instrument can reduce the damage rate of misoperation)
Charge and discharge parameters (user specific parameters)	※
Discharge mode	External inductor discharge
Trigger	Internal/PLC/232/485
Voltage	100~1200V
Measurement timing (single product measurement time)	1~1200
Test frequency (charge discharge frequency)	1Hz ~200Hz
Discharge current setting	Internal fixed limit MAX 3200A (theoretical value, actual value depends on external inductance and measured capacitance, internal 3200A current limit of the instrument can reduce the damage rate of misoperation)
Capacitance capacity	20μF~300μF, this parameter needs to be set by the user according to the actual situation
External inductance	12μH~100μH, this parameter needs to be set by the user according to the actual situation
Open circuit detection	Sample the discharge current, and if the sampled value is particularly small, determine an open circuit
Charging undervoltage detection	Yes, it can detect incorrect products and avoid damaging the instrument in case of timing errors on the machine
Over temperature detection	Yes
Interface	RS232/RS485/handler interface (for connecting to PLC)
Programming language	SCPI and Modbus（RTU）
Power Supply	Three phase five wire
Power	Maximum 12000W
Weight	100kg

APPLICATIONS

‌Measuring dV/dt during rapid capacitor discharge

DOCUMENTATION

NONE

ACCESSORIES

STANDARDS

NONE

OPTIONS

NONE

SOFTWARE

NONE

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