ABB REC670 is a spacer layer measurement and control protection device with the following features and functions:
A variety of overcurrent protection: including instantaneous phase and ground overcurrent protection, as well as four sections with or without direction delay phase and ground overcurrent protection, can effectively deal with different types of overcurrent faults.
Differential protection: can be used for high-impedance differential protection, such as in T wiring or bus system, can accurately detect the differential fault inside the equipment to ensure the safety of the equipment.
Other protection: With thermal overload, two-stage low voltage, overvoltage protection, etc., fully protect the power system and equipment from overload, undervoltage, overvoltage and other abnormal conditions; It also has directional power protection, which can realize power reversal, positive phase low power, over-active power, reactive power protection and other functions, and has phase Angle compensation, and has two exits (alarm/trip).
Circuit breaker failure protection: The device includes multiple circuit breaker failure protection functions, which can provide circuit breaker failure protection independent of the protection device, and even can be used for the complete string of a half circuit breaker connection, when the circuit breaker fails to trip normally, the timely action to remove the fault.
Reclossing function: single-phase, two-phase, three-phase reclossing includes priority circuits for multi-circuit breaker wiring, with the simultaneous detection function to achieve fast or slow reclossing, improve power supply reliability.
Flexible control: remote (SCADA station level) control can be achieved through the communication bus or local operation can be carried out through the single line diagram displayed by the human machine interface (HMI) on the front panel of the device, and different control modes can be adopted, such as a measurement and control protection device can control an electrical interval, or control multiple electrical intervals at the same time, which can meet the requirements of various application scenarios.
Excellent I/O capabilities: A single IED can control multiple bays and complete measurements. For example, a REC670 IED can handle the control of all devices throughout the interval in a 11/2 circuit breaker arrangement, including circuit breaker failure protection for all circuit breakers. It also has an electrical interlocking function that can be used for all conventional wiring methods. The control function is selected first and executed to ensure the highest reliability.
Simultaneous inspection function: it can lock the fault recording and fault closing of the switch in a single failure of the system, and has no voltage inspection function; Simultaneous detection function optional charging direction, there are two functional blocks, built-in synchronous voltage selection, automatic or manual synchronization, simultaneous inspection, and can have different setting values, but also set the circuit breaker closing time (simultaneous function).
Comprehensive monitoring: it can measure various electrical parameters of the motor in real time, such as current, voltage, power, etc., and monitor and display these parameters to facilitate the operator to understand the operating status of the motor; Integrated fault recording and event recording (40 analog signals, 96 switching signals) for easy post-fault analysis.
Power metering and demand processing: The output value of the measurement module (MMXU) can be used to calculate the power and maximum power demand, active and reactive power are calculated at the inlet and outlet respectively, and the value can be read or generated by the pulse form.
Wide range of applications: suitable for the control, protection and monitoring of different types of electrical intervals in the power grid, especially suitable for distributed control systems with high reliability requirements, can be used for the highest voltage level, can control any wiring mode of primary equipment.
Customizable: The customized REC670 gives the user the freedom to choose features entirely according to their needs, the pre-configured REC670 model simplifies operation, the basic features are included and pre-configured, and optional features can be added if needed to easily increase its functionality to meet the specific requirements of the switch station.
Various communication functions: serial data communication uses optical fiber connection to ensure that the device is free from electromagnetic interference; Support a variety of communication protocols, such as IEC61850-8-1 station-level bus data communication, station-level bus data communication module IEC60870-5103, TCP/IP or EIA-485 DNP3.0, LON and SPA, C37.94 remote communication module, etc. It can transmit 6x32 remote jump and switching signals bidirectional between selected measurement and control protection devices in the station or between adjacent substations to facilitate communication with other equipment or systems to achieve data transmission and remote monitoring.
Other features: Large HMI for local control and instant access to important data, such as Settings, events and interference information; Graphical advanced logic programming functions can implement special user logic, such as automatic opening operation of isolation switches in multi-circuit breaker wiring, circuit breaker closing, load switching, etc. Graphical tools ensure that these logics are easily and quickly checked and debuggable.
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ABB PLC System modules DCS system modules include some discontinued control system modules. (For example :PM645B, 5SHY3545L0014,
PM630, 07AC91D, SPHSS13PP845PFEA111-20PFEA112-65 PPD113B01-10-150000, PPD115A102PPD113-B03-23-111615)
◆GE Gas Turbine clamp :IS200 series, DS200 series, etc. (e.g. IS200TRPGH1B, DS200PCCAG1A)◆Triconex: Redundant fault-tolerant control
system, the most modern fault-tolerant controller based on triple module redundancy (TMR) structure. (e.g. 3721, 3625, 3008, 4351B, 3805E)
Foxboro (Foxboro) : 1 / ASeries system, FBM (field input/output module) sequence control, etc. (for example: FBM201CP270CP4BFCP280FCP270)
Bently Nevada(Bentley):3500 system cards. (e.g. 35/15350/2M5) HIMA(Dark Horse):F8650X, F8627X, F8651X, F8652X, F35, etc
Motorola(MOTOROLA):MVME162, MVME167, MVME1772, MVME177 and other series XOOl:1/0, Vne board and processor.
(For example :XVME-653, XVME-674, XVME-976)
Rockvell (Allen-Bradley):1756, 1757, 1753, 1394 series. (Example :1756-L73XT1756-L611757-SRM)
◆Reliance: Discontinued spare parts (e.g. 0-60002-6, 5-D4022, S-D4006-D)
Westinghouse Emerson :VE3007CE3008, 5X00105G145X00119G01, 1X00416H011X00416H01
schneider :140 series processors, control cards, power modules, etc. (for example: 140 cpu67160c140cpu67260, 140 cpu65150140cpu43412140nwm110000
Medium description: ABB: Industrial robot DSQC series (series :DSQC202DSQC545A, DSQC627DSQC352DSQC679) Rexroth(Rexroth):
1/0 module PLC controller driver, etc. (e.g. TVD1.3-15-03, KDV3.1-100-220) Woodward: Control governor, etc. (e.g. 5464-414, 5466-409, 9907-164
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