CKPM603 power distribution automation measurement and control unit

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CKPM603 series distributed distribution automation terminal (distributed DTU), cooperate with the switch of the ring main unit, can be combined into intelligent distributed, voltage time type, voltage current time type, protection type and other distribution network functions to realize local power distribution Automatic function, the device cooperates with the outgoing switch, branch switch, etc., can realize the fault removal and fault recovery of the distribution line. Electric automation remote terminal device.

CKPM603 distribution automation measurement and control unit has the functions of switch measurement, protection, control and distribution automation. Communicate with the CKPM680 management unit to complete the information collection and uploading function; among them, the optional communication interface of CKPM603 is optical fiber communication, and can have 2 single-mode FC optical fiber interfaces, the corresponding model is CKPM603-FX, which is applied to the incoming line of the ring network cabinet unit.

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Three remote functions: 15 channels of optoelectronic isolated digital input, 12 channels of AC measurement, 2 channels of DC measurement, 6 channels of output, optional voltage level, optional operation loop function. 

Protection functions: optical fiber longitudinal ratio differential protection, three-stage overcurrent protection, three-stage zero-sequence current protection, voltage decoupling, frequency decoupling, three-phase multiple reclosing (optional times, up to 3 times), phase overcurrent Acceleration protection after zero-sequence overcurrent, inrush current identification, non-electrical protection, and loop closing functions. 

Maintenance functions: local fixed value parameter setting, remote fixed value parameter setting, remote program update, local maintenance communication interface, remote diagnostic equipment self-diagnosis, program self-recovery. 

Data transmission function: It can communicate with the upper-level station, send the collected and processed information upward and receive the control commands of the upper-level station to perform time calibration with the upper-level station. It has a local maintenance communication interface, communication interface: RS-232/485, industrial Ethernet ; Optional optical fiber communication port communication channel: It can support various communication forms such as optical fiber, carrier wave, wireless spread spectrum, wireless data transmission radio, CDMA, GPRS and ADSL, which can be selected by the user.

 Distribution network function: intelligent distributed FA function, local type FA segment S function: delay forward/reverse transmission, local type FA contact L function: ring network point delay closing, three-phase multiple reclosing (number of times Optional, up to 3 times), fault opening after closing, voltage loss opening, zero-sequence voltage opening, inrush current identification, interrupting current blocking. 

Other functions: running detection; voltage and current out-of-limit alarm, control loop abnormal detection, jumping current detection, PT disconnection detection; event sequence recording function, power failure data storage function, optional GPS geographic information and timing function.

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