Integration: The product consists of a small circuit breakers, intelligent measurement and control unit, zero switching systems, high-performance aluminum cylinder combination of self-healing power capacitors. Intelligent: high power factor measurement accuracy, display a wide range, LCD liquid crystal display elegant interface, with automatic and manual operation by operation, real-time display of each parameter grid, real-time temperature display, to protect the normal operation of the equipment?? ; overvoltage, undervoltage, undercurrent, over temperature, over, under-compensation protection; with power-down protection; power-down data is not lost. A clock function (optional), real-time display the current time; current input impedance is less than 0.01Ω, high precision; providing 485 communication interface, built-in MODBUS-RTU protocol;? DL645-2007 compatible communications protocol, which enables remote monitoring. It can achieve more than 180 days of historical data storage function (optional). This product has a harmonic suppression function, anti-jamming; can be achieved: total complement, divided up, mixing compensation control; to achieve a three-phase current, phase voltage, three-phase active and reactive power, apparent power and other network parameters The real-time display. Manual Networking features: This product has a manual networking, self-diagnosis and fault protection functions, enabling more than one line use, constitute reactive power automatic control system; individual automatic exit from machine failure does not affect other machines work. Zero switching: built-in microprocessor and intelligent software, intelligent control capacitor switching: to achieve zero switching, no flow, no arcing, fast response. This product is made of high-performance cylindrical aluminum self-healing power capacitors, heat, small size, long life, thus ensuring the overall safety and reliability. The main technical parameters 1, rated voltage supply conditions: 400V voltage deviation: + (-) 10% voltage waveforms: sine wave, and the total distortion of less than 5% of the standby power consumption: 0.5W current waveform: current harmonics less than 10% of the operating frequency : 50HZ 2, safety indicators clearances and creepage distances, dielectric strength, safety protection, short-circuit strength, as well as sampling and control security are in line with the national power industry standard DL / T842-2003 "low-voltage shunt capacitor device uses technical conditions", GB / the corresponding provisions require T22582-2008 "low-voltage power capacitors power factor compensation device" in. 3, precision voltage measurement indicators: ≤0.5% Current: ≤0.5% full scale Power Factor: + (-) 0.01 Temperature: + (-) 1 ℃ execution time: ≤100ms 4, reactive power compensation capacitor switching interval parameters: single ≥20, with the increase in the network when the network has been shortened and the compensation capacity of large ones: a single ≤ (30 + 30) kVar (three-phase total complement), ≤30kVar (three-phase sub-fill), ≤30S + 30F (mix compensation) 5, intelligent networking circuit array of Internet number: ≤99 station network boot time required: ≤10S 6, Ambient temperature: -30- + 60 ℃ Relative humidity: 20 ℃ when not more than 90 % Altitude: ≤3000m 7, reliability control accuracy: 100% allows switching frequency: 120 million times capacitor decay rate: ≤0.5% of capacitor failure rate: ≤6% (year to run 60,000 hours) Total switching capacity: 10KA Communication interface: RS485