{"product_id":"ge-is200edexg1b-ex2100-excitation-de-excitation-module","title":"GE IS200EDEXG1B EX2100 Excitation De-Excitation Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eIS200EDEXG1B\u003c\/strong\u003e is a de-excitation bridge and protection board used within the GE EX2100 excitation control platform. It is designed to safely dissipate stored energy from generator field inductance during de-excitation events and provides protection functions for the excitation system. The board operates in conjunction with the EMIO and EXTB boards, where the EXTB board supplies power and control signals while supporting de-excitation control functions.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eGeneral Electric IS200EDEXG1B\u003c\/strong\u003e receives 24 VDC operating power and is typically installed within an auxiliary cabinet equipped with a silicon-controlled rectifier (SCR) de-excitation system. During a commanded de-excitation event, the SCR establishes a conduction path through the field discharge inductor, allowing field current to decay and stored magnetic energy to dissipate. If SCR triggering control becomes unavailable, the board incorporates overvoltage firing protection through a break-over diode string connected between the gate and anode circuits.\u003c\/p\u003e\n\u003cp\u003eAs part of the EX2100 excitation control architecture, the module supports generator protection functions by ensuring controlled field discharge during normal shutdowns and fault conditions. Hall effect conduction sensors mounted within a circular steel core provide current monitoring capability for de-excitation operations.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for GE EX2100 excitation control systems\u003c\/li\u003e\n\u003cli\u003eFunctions as a de-excitation bridge and protection board\u003c\/li\u003e\n\u003cli\u003eSupports SCR-based de-excitation operation\u003c\/li\u003e\n\u003cli\u003eDissipates stored generator field energy\u003c\/li\u003e\n\u003cli\u003eOperates with EMIO and EXTB control boards\u003c\/li\u003e\n\u003cli\u003ePowered by a 24 VDC supply\u003c\/li\u003e\n\u003cli\u003eIncludes Hall effect conduction sensors\u003c\/li\u003e\n\u003cli\u003eProvides overvoltage-triggered SCR firing protection\u003c\/li\u003e\n\u003cli\u003eEquipped with six configurable jumpers\u003c\/li\u003e\n\u003cli\u003eFeatures two D-pin connectors for system integration\u003c\/li\u003e\n\u003cli\u003eInstalled within an auxiliary excitation cabinet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenerator excitation control systems\u003c\/li\u003e\n\u003cli\u003eUtility power generation facilities\u003c\/li\u003e\n\u003cli\u003eIndustrial turbine-generator installations\u003c\/li\u003e\n\u003cli\u003eSteam turbine excitation systems\u003c\/li\u003e\n\u003cli\u003eGas turbine excitation systems\u003c\/li\u003e\n\u003cli\u003eSynchronous generator protection systems\u003c\/li\u003e\n\u003cli\u003ePower plant modernization projects\u003c\/li\u003e\n\u003cli\u003eEX2100 excitation cabinet assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eGeneral Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eIS200EDEXG1B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Description\u003c\/td\u003e\n\u003ctd\u003eDe-Excitation Bridge and Protection Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eEX2100 Excitation Control System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eExcitation Control Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Function\u003c\/td\u003e\n\u003ctd\u003eGenerator Field De-Excitation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDe-Excitation Method\u003c\/td\u003e\n\u003ctd\u003eSCR-Based De-Excitation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssociated Boards\u003c\/td\u003e\n\u003ctd\u003eEMIO, EXTB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Source Module\u003c\/td\u003e\n\u003ctd\u003eEPSM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfigurable Jumpers\u003c\/td\u003e\n\u003ctd\u003eJP1, JP2, JP3, JP4, JP5, JP6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectors\u003c\/td\u003e\n\u003ctd\u003e2 D-Pin Connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Monitoring\u003c\/td\u003e\n\u003ctd\u003eHall Effect Conduction Sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Location\u003c\/td\u003e\n\u003ctd\u003eAuxiliary Cabinet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTechnical Manual\u003c\/td\u003e\n\u003ctd\u003eGEH-6632\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e3 lb 6 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Location\u003c\/td\u003e\n\u003ctd\u003eGeneral Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eConnector Pin\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eD-Pin Connector 1\u003c\/td\u003e\n\u003ctd\u003eSystem control and interface connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD-Pin Connector 2\u003c\/td\u003e\n\u003ctd\u003eDe-excitation and monitoring interface connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCabinet Mounting\u003c\/strong\u003e: Install the board within its designated slot in the EX2100 auxiliary cabinet, ensuring proper mechanical alignment and engagement with backplane interfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring and Connections\u003c\/strong\u003e: Connect the two D-pin interface cables securely to establish appropriate communication lines with the EMIO and EXTB boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJumper Configuration\u003c\/strong\u003e: Verify and set configurable jumpers JP1 through JP6 in strict accordance with the system design requirements outlined in the GEH-6632 user's guide before applying power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrostatic Discharge (ESD) Precautions\u003c\/strong\u003e: Handle the module using standard industrial anti-static wrist straps and ESD-safe packaging to avoid damage to sensitive board-level components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling and Ventilation\u003c\/strong\u003e: Ensure the auxiliary cabinet's ventilation pathways are clear to support proper thermal convection around the SCR and inductor components.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":53356976701803,"sku":"IS200EDEXG1B","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/IS200EDEXG1B.png?v=1780824376","url":"https:\/\/www.plcprotech.com\/fr\/products\/ge-is200edexg1b-ex2100-excitation-de-excitation-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}