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IS200EPSMG1A GE Exciter Power Supply Module
Condition:
Brand New & Original
Lead Time:
In Stock
Delivery Time:
5-7 Days
EXW Price:
$4000
Payment:
T/T, Full Payment Before Shipping
The IS200EPSMG1A is an excitation power supply board designed for use with GE Mark VIe / EX2100 excitation control systems. Its primary function is to convert the 125 V DC input voltage received from the EPDM board into the various output voltages required by the control system. The board's circuitry consists of two main sections: a step-down (buck) regulator and a push-pull inverter. The step-down regulator first converts the external input voltage to an intermediate 50 V DC level, after which the push-pull inverter generates the required multiple output voltages.
Output Voltages and Applications
1. +5 V DC: Powers the logic circuits of controllers M1, M2, and C
2. +15 V DC: Powers the controllers' internal analog circuits
3. +24 V DC (In-rack): Powers the controller backplane
4. +24 V DC (Out-of-rack): Powers the EDEX field discharge module, Crowbar module, EGDM, and EDCF
5. Isolated +70 V DC: Used for contact wetting on EXTB and ECTB boards
EPSM, EPDM, and Controllers (M1, M2, C)
The EPDM (Excitation Power Distribution Module) supplies 125 V DC input power directly to the IS200EPSMG1A. The EPSM then steps down, isolates, and converts this power into the multiple voltage levels required by various system components. Together, they handle power distribution for the EX2100 system: EPDM → EPSM → Controllers and peripheral modules. The system shown in the image on the left utilizes three independent EPSM modules corresponding to the three controller slots (M1, M2, and C). Each provides independent power, ensuring that a single-point failure does not compromise overall system operation.
| Brief Introduction | |
| Manufacturer | General Electric |
| Module/Order Number | IS200EPSMG1A |
| Description | Ex2100e Excitation Control, Exciter Power Supply Module |
| Country of origin | USA |
| Dimension & Net Weight | 30x25x5cm, 1kg |
| Packing Weight | 2kg |
FAQ
1. What is the function of IS200EPSMG1A?
—Its primary function is to convert the 125 V DC input voltage received from the EPDM board into the various output voltages required by the control system.
2. Can the IS200EPSMG1A be configured for redundancy?
—Yes, absolutely. Up to three EPSM modules can be installed on an EPBP backplane to provide logic power to the respective controllers.
3. What are the common faults associated with the IS200EPSMG1A?
—If an output power anomaly occurs, check whether the EPDM output is stable; if the module shuts down unexpectedly, investigate potential causes such as overheating, loose connections, or internal faults, and try resetting the module.
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