Quick Sizing & Sourcing Snapshot Manufacturer: GE (General Electric) Part Number: IS200ERDDH1A System Platform: EX2100 / EX2100e Excitation Control (Mark VI/VIe) Hardware Type: Exciter Regulator Dynamic Discharge Board (ERDD) Architectural Role: Acts as the high-speed driver interface for IGBT/Static Converter gates and manages dynamic discharge (overvoltage clamping) for the DC link. Key Specifications: Double-Height VME…
Quick Sizing & Sourcing Snapshot Manufacturer: GE (General Electric) Part Number: IS200ERBPG1A System Platform: EX2100 / EX2100e Excitation Control (Regulator Section) Hardware Type: Exciter Regulator Backplane (ERBP) Architectural Role: Serves as the central passive backbone in the Regulator Control Rack, hosting ACLA, DSPX, ERIO, and EPSMG2 boards for generator voltage regulation (AVR). Key Specifications: 96-pin/128-pin…
Quick Sizing & Sourcing Snapshot Manufacturer: GE (General Electric) Part Number: IS200EPSMG1A System Platform: EX2100 / EX2100e Excitation Control Hardware Type: Exciter Power Supply Module (EPSM – Group 1) Architectural Role: Converts 125V DC from EPDM into regulated +5V, ±15V, +24V, and isolated +70V DC for M1/M2/C controller stacks. Key Specifications: 125V DC Input, 6…
Quick Sizing & Sourcing Snapshot Manufacturer: GE (General Electric) Part Number: IS200EPDMG1B System Platform: EX2100 / EX2100e Excitation Control Hardware Type: Exciter Power Distribution Module (EPDM) Architectural Role: Acts as the primary power entry/distribution hub in the exciter cabinet, converting/filtering 125V DC or 115V AC inputs to feed the EPBP backplane and downstream boards (EGPA,…
Quick Sizing & Sourcing Snapshot Manufacturer: GE (General Electric) Part Number: IS200EPCTG1A System Platform: EX2100 / EX2100e Excitation Control Hardware Type: Exciter PT/CT Terminal Board (EPCT – Simplex) Architectural Role: Provides passive field termination for Generator PT (Voltage) and CT (Current) signals, performing signal scaling/isolation before sending to the EMIO board. Key Specifications: 2x…
Core Technical Specifications Functional Acronym: EPBP (Exciter Power Backplane) Input Voltage: 125 V DC (Fused supply from EPDM) Distributed Voltages: 125V DC (Field Power), 70V DC (Wetting), 24V DC, 5V DC (Via onboard EPSM modules) Mounting: Chassis Mount (Vertical Brackets in Exciter Cabinet) Connector Count: 33 Plug Connectors (Across M1, M2, C sections) Per Section:…
Quick Sizing & Sourcing Snapshot Manufacturer: GE (General Electric) Part Number: IS200EMIOH1A System Platform: EX2100 / EX2100e Excitation Control (Mark VI/VIe) Hardware Type: Exciter Main I/O Board (EMIO) Architectural Role: Acts as the central FPGA-driven signal aggregator in the control rack, managing I/O from terminal boards (ECTB, EACF, EXTB, EPCT) and routing gate pulses to…
Quick Sizing & Sourcing Snapshot Manufacturer: GE (General Electric) Part Number: IS200EISBH1A System Platform: EX2100 / EX2100e Excitation Control (Mark VI/VIe) Hardware Type: Exciter ISBus Board (EISB) Architectural Role: Acts as the fiber-optic signal aggregator, receiving DC Field/Exciter voltage and current data from EDCF boards and passing it to the DSPX controller via the backplane.…
System Architecture & Operational Principle The IS200EHPAG1D (EHPA) is an active, intelligent control board located in the Power Conversion Cabinet, typically mounted on the EBKP backplane or a dedicated sub-chassis near the Power Conversion Modules (PCMs). Upstream, it receives six low-voltage TTL gate commands from the ESEL (Exciter Selector/Sequence) board via shielded twisted-pair cables. These…
Quick Sizing & Sourcing Snapshot Manufacturer: GE (General Electric) Part Number: IS200EGPAG1B System Platform: EX2100 / EX2100e Excitation Control Hardware Type: Exciter Gate Pulse Amplifier Board (EGPA) Architectural Role: Amplifies low-level TTL firing pulses from the ESEL board to high-current gate drive signals for up to 6 SCRs in the power bridge; monitors bridge temperature…