- Test equipment
- Current generator with constant current
- Full automatic temperature rising and large curren
- Small current generator
- Large current generator
- AC / DC current generator
- Intelligent high current
- Three-phase current generator
- Intelligent three-phase current
- The three-phase voltage and current source
- Three frequency generator
- Fault indicator tester
- Fuse tester
- Transformer integrative tester
- Thermal relay tester
- Tester for motor protector
- Relay protection tester
- High voltage switchgear
- Low voltage switchgear
- AC and DC voltage tester
- DC high voltage generator
- DC breaker ampere second characteristic test instr
- Power inspection class
Constant current output feedback synthesis of use (hereinafter referred to as the constant current DDDL-8000H current of generator is an up flow reactor), is my company uses Germany the new module, and my company's existing technology in 2004 in the second half of their own research and development of test equipment, uses the numerical control technology, anti-interference ability is strong, and a generation of up flow is no longer with low power consumption and large capacity of self coupling voltage regulating device, and the hardware of the IGBT tube and high permeability core produced by the converter, through SPWM, inverter, PID control, measurement and software compensation and other new technology, product, power, small volume, weight light, good waveform, output stability, response speed, etc.. Mainly used for thermal relay, motor protector, contactors, for breaker, fuse, air switch, switch cabinet, circuit breaker, protection screen calibration, for a busbar protection and a variety of current transformer ratio test project, suitable temperature Shengheng flow experiment, is widely used in electric power, railway, petrochemical, metallurgy, mine and so on enterprise of scientific research, production and electrical field test.
SPWM hardware adjustment technology, fast response, stable output;
High power MOS/IGBT drive, reliable operation, strong overload ability;
Suitable for resistance, inductive, rectifier and other kinds of load;
With voltage limit, voltage limit, overheating, the abnormal conditions such as protection function;
With a fast parameter memory function, key operation, easy to use;
The power frequency current can be adjusted online;
The bright LCD six bit array liquid crystal display, clear and eye-catching, large viewing angle, convenient production line;
With RS232 communication interface, the baud rate is 9600.
Product type: DDDL-8000H
Input power: single-phase 220 + 15%, 50/60Hz + 5Hz
The opening of output voltage: 5V can be designed according to the need
The adjustable output current: 0~8000A
The output frequency: frequency: 45 ~ 65Hz;
The frequency stability: less than 0.1%
The current stability: less than 1% (test point: 220V, 50Hz resistance at full load)
The degree of distortion: less than 1.5% (resistive load)
The crest factor: 1.41 + 0.10
The source voltage effect: less than 1%
The load effect: less than 1%
The efficiency: 85%
The frequency of display: six and a half LCD resolution 0.1Hz true color LCD display
The voltage display: six and a half LCD resolution 0.1V true color LCD display
The current display: six and a half LCD resolution 0.1A/0.1A true color LCD display
The power display: six and a half LCD resolution 1W/0.1kW true color LCD display
The power factor showed: six and a half LCD, resolution 0.01 true color liquid crystal display
The alarm function: protection device (AO) after the alarm signal, and display fault code;
The working environment: temperature: -10 to 40 DEG C; relative humidity: 10% ~ 90% (40 C)
The overheating protection: power device temperature higher than 85 DEG C + 5
The shell protection grade: IP2X
The chassis structure: Desktop