Products overview

ZMZ-X type intelligent integrated low-voltage filteringcapacitor (hereinafter referred to as product) is designedfor situations where the power grids have certainhamonic content, but the common type power capacitois failed to run normaly, its main characteristics as folows,e High quality type low-voltage capacitor, oil-free design, high safety;

Adoption of no-surge switching switch, with advancedtechnology, stable and reliable performances;Adoption of special technology and process, effectively suppress high-order harmonic and surgehas obvious efficiency in suppressing harmonic oforder 3,5,7.9 and above;

Modular structure, flexible combination, convenientcapacity expansion, simple installation, convenientfor maintenance:

Intelligent network, 485 communication interfacecan switch in backstage computer, to carry outintegrated management of distribution;

Adoption of decentralized control mode, 200,000times of fault-free switching, with high reliability;Humanized human-machine interface,simple operation,convenient maintenance, it is convenientfor fault shooting on site;

Ambient conditions

Ambient temperature:-25~55℃;

Relative temperature:40℃.20-90%;

Altitude:<2000m 

Rated voltage:-220V/--380V;

Voltage deviation:+20%;

Voltage waveform: sine wave, total distortion rate

not exceed 7%:

Rated frequency: 50Hz+5%:

Power consumption: <2V.

Electrical safety

Electrical clearance,creepage distance, insulationstrength,safety protection,short-circuit strength,sampling and control circuit protection should all bein conformity with the coresponding causes of standardDL/T842-2003 Ordering specification for lowvoltageshunt capacitor installation.

Measurement error

Voltage:<0.5% (within 80-120% of rated voltage);Current:<1% (within 5%~20% of rated current),

Power factor: +1.5%;

Temperature:+1℃.

Protection error

Voltage:<0.5%:

Current: <1%;

Temperature:±1℃.

Time: +0.01s.

Reactive compensation parameters

Switching interval of capacitor:>10s

11s~10s customized);

Reactive capacity:common compensation<40kvar

separate compensation≤20kvar.

Online quantity:<120pcs.

Reliability

Control accuracy: 100%;

Permissible switching times: 200.000 times;

Attenuation rate of running time of capacitor

capacity:<1%year:

Attenuation rate of switching of capacitor

capacity:s0.1%/ten thousand times;

Annual fault rate:<1%.