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MANAGEMENT RELAY
2016-11-20 16:38:04
 

TRNSFORMER MANAGEMENT RELAY, TYPE:WDZ-440 EX TRNSFORMER MANAGEMENT RELAY, POWER BOARD,VOLT:+5V +24 V TYPE:EMWEX-300 ; CONTROL BOARD:EMWEX-599;CPU BOARD:EMWEX-400;AI BOARD:EMWEX-757 ,WISCOM SYSTEM,CONTROL VOLTAGE 220 VDC,FOR 11KV TRANSFORMER PROTECTION

TYPE:WDZ-430 EX MOTOR MANAGEMENT RELAY POWER BOARD,VOLT:+5V +24 V TYPE:EMXWE-300 ; I/O:MWEX-605;CPU BOARD:EMWEX-400;AI BOARD:EMWEX-755 ,WISCOM SYSTEM,FOR 11KV MOTOR PROTECTION

RELAY, CONTROL; P/N: WDZ-491EX, WISCOM SYSTEM; CONTACT RATING: 5 A, COIL VOLTAGE: 220 VDC, TYPE:VT MANAGEMENT

 
 
1, the remote signal: the device a total of 14 open into the volume, of which: 12-way for the acquisition of external remote, 2-way signal for the internal switch
2, power consumption: <0.5VA / each phase
3, for less demanding working conditions, operation control is simple, little impact on the production of stand-alone operation of the motor, the choice of ordinary type protector, simple structure of the protector, in the field installation wiring, easy to replace, easy to operate , With a cost-effective features.
4, provides five non-power protection, from a main device body to the non-electrical signals (such as temperature, **, etc.), from the opening into the volume (IN08 ~ IN12) access to the device, as non-battery protection, protection Independent vote back.
5, microcomputer relay protection device program changes should be supervised by the relay protection agency issued a notice of strict implementation of the procedures.
6, when the line occurs when the single-phase ground, will produce zero sequence current, zero sequence current by a dedicated zero sequence transformer input device, when the zero sequence current is greater than the set value of the zero sequence current, the (time can be set) , The device exports.
7, loss of voltage protection: When the system power disappears, the time can be set to protect the action. The system power dissipation criterion combines the no-voltage and no-flow conditions.
8, when any phase current is greater than the speed of protection after the current setting, the time can be set to protect the action.
9, when any phase current is greater than the definite time overcurrent protection settings, the (time can be set), the device exports trip.
10, rated current: 5A (1A rated current must be specified when ordering)
11, each screen displays a maximum of 30 **, display content including ** serial number (01 ~ 30), ** occurrence time (time format mm dd-hh: mm: ss.ms) and the corresponding ** simple text description .
12, 110kV and above the system microcomputer relay protection settings required for the calculation of the power of the main equipment and line parameters, should use the measured parameter values.
13, If the circuit breaker is in the closing position, the "position" indicator will be on, and the "position indicator" will be off. If the circuit breaker is in the opening position, the "position" indicator will be off.
14, custom protection can be achieved standard protection library does not provide special protection, the maximum to meet user requirements.
15, "self-test" indicator (orange) is used to indicate the device self-test signal.
16, when the display is in the main menu state, "▲", "▼" button is used to move the bar cursor up and down, press the "enter" key to enter the submenu or the corresponding screen state, the main menu does not respond to " Button operation.
17, the panel module through the parallel communication from the host module to receive system parameters, protection settings and other data.
18, all microcomputer relay protection device and other digital equipment communication protocol should be unified.
19,10 (6) KV high voltage motor unit protection and control
20, as engineers in the field maintenance, upgrading or replacement of products, you need to disconnect the device and the operating system of all electrical wiring.
 
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