Exciter De-Excitation Module part IS200EDEXG1B is a bridge and protection board that can initiate de-excitation processes if other controls on the model fail. This board is a group one board model which is specifically used for SCR de-excitation.

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Product Description

This model is located in an auxiliary cabinet and has a silicon-controlled rectifier (SCR) de-excitation mode. In the SCR de-excitation module, the SCR is fired when a conduction path is needed, once the SCR has been fired it will make a path through the field discharge inductor and will allow the field current to flux and disperse the field energy. If for any reason the SCR is not able to be fired then it will fire on overvoltage, firing on overvoltage will occur when the anode to gate voltage surpasses the break overvoltage of the break-over diode string which is connected between the gate and anode functions. 

The GEH-6632 EX2100 Excitation Control User’s Guide is the best manual to use for information on the installation and function of the IS200EDEXG1B model.

Product Introduction：

Main products, advantageous supply, and sufficient inventory

The ABB PLC system module DCS system card includes some discontinued control system module cards. (For example: PM645B, 5SHY3545L0014, PM630, 07AC91D, SPHSS13PP845PFEA111-20PFEA112-65 PPD113B01-10-150000, PPD115A102PPD113-B03-23-111615)

◆ GE gas turbine cards: IS200 series, DS200 series, etc. (such as IS200TRPGH1B, DS200PCCAG1A) ◆ Triconex: redundant fault-tolerant control system, modern fault-tolerant controller based on Triple Modular Redundancy (TMR) structure. (For example: 3721, 3625, 3008, 4351B, 3805E)

Foxboro: 1/ASeries system, FBM (Field Input/Output Module) sequential control, etc. (e.g. FBM201CP270CP4BFCP280FCP270)

Bently Nevada: A card for a 3500 system. (e.g. 35/15350/2M5) HIMA (Black Horse): F8650X, F8627X, F8651X, F8652X, F35, etc

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. (For 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: 14