GE IS200ERSCG1A Excitation Regulator Static Converter
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| Mobile | +8615305023276 | |||||||
| +8615305023276 | ||||||||
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| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | GE |
| Product Model | IS200ERSCG1A |
| Product Type | Excitation Regulator Static Converter |
| Series | EX2100 Excitation Control |
| Functional Acronym | ERSC |
| Board Group | ERSCG1 |
| Main Function | Provides PWM DC output for excitation regulation and performs static power conversion and field discharge functions |
| Power Switching Device | IGBT |
| IGBT Module | Integrated three-phase IGBT inverter module with six IGBTs |
| Output Control | PWM (Pulse Width Modulation) DC excitation output |
| Input Power | Rectified AC power, station battery DC power, or a combination of both |
| Typical DC-Link Input | Approximately 90–280 V RMS rectified AC, depending on system configuration |
| Excitation Output | Up to approximately 20 A DC continuous and 30 A DC for 10 seconds, depending on system configuration |
| Dynamic Discharge | Uses an IGBT to discharge the DC-link capacitors through an external dynamic discharge resistor |
| DC-Link Precharge | Controlled through the K3 relay and current-limiting resistor |
| Current Monitoring | DC shunt-based output current measurement |
| Voltage Monitoring | Excitation field voltage monitoring and scaled voltage feedback |
| Protection Functions | IGBT desaturation detection, heatsink temperature monitoring, gate-drive power supply monitoring, and output current monitoring |
| Related Interface Boards | ERDD Exciter Regulator Dynamic Discharge Board and ERRR Exciter Regulator Redundant Relay Board |
| Application | Static excitation regulation and power conversion in GE EX2100 excitation control systems |
| Typical Systems | Generator excitation systems for hydro, steam, and gas turbine applications |
| Installation | Installed in the appropriate EX2100 excitation control cabinet/backplane |
| Cooling | Heatsink-assisted thermal management for the power switching section |
| Operating Environment | Requirements depend on the specific EX2100 cabinet and system configuration |
| Reference Manual | GEI-100488; related EX2100 documentation includes GEH-6632 |
| Revision | Revision A |
| Dimensions | 170 × 50 × 100 mm |
| Weight | 0.5 kg |
FAQ
1. What is the main function of the GE IS200ERSCG1A?
The IS200ERSCG1A is an Excitation Regulator Static Converter used in the GE EX2100 excitation control system. It performs static power conversion and generates controlled PWM DC output for generator field excitation.
2. What type of power switching device does the IS200ERSCG1A use?
The module uses an integrated IGBT power module. The six-IGBT inverter configuration supports PWM excitation output, static power conversion, and DC-link discharge functions.
3. What power sources can be used with the IS200ERSCG1A?
The ERSC can receive power from rectified AC, a station battery DC source, or both, depending on the EX2100 system configuration. The actual input range should be verified against the installed excitation system.
4. How does the IS200ERSCG1A generate the excitation output?
The EX2100 control system drives the IGBTs with high-speed switching signals. PWM control regulates the DC output, allowing the excitation controller to adjust generator field current according to operating conditions.
5. What is the purpose of the K3 relay in the IS200ERSCG1A circuit?
K3 is associated with the DC-link precharge circuit. During startup, the DC-link capacitors are charged through a current-limiting resistor. The relay then controls the charging path after the appropriate precharge conditions are reached, reducing inrush current.
6. What protection and monitoring functions are provided?
The IS200ERSCG1A can monitor IGBT desaturation, power-device heatsink temperature, gate-drive power supply status, and output current. These signals help the EX2100 control system identify power-stage abnormalities and initiate protective actions.
7. How does the IS200ERSCG1A work with the ERDD and ERRR boards?
The IS200ERSCG1A operates as part of the EX2100 regulator power-conversion section. The ERDD board is associated with dynamic discharge functions, while the ERRR board is used for related redundant regulator relay and transfer functions where applicable. The exact interface depends on the excitation system architecture.
8. What should be checked if the IS200ERSCG1A has an abnormal excitation output?
Check the input power and DC-link condition first, followed by IGBT gate-drive signals, output current feedback, heatsink temperature, DC shunt circuitry, ERDD/ERRR interfaces, and power connections. EX2100 diagnostic alarms and fault records should also be reviewed to determine whether the problem originates in the power stage, feedback circuit, or external excitation circuit.
GE IS200ERSCG1A Excitation Regulator Static Converter is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8615305023276 | |||||||
| +8615305023276 | ||||||||
| 13950166376 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
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