Description
The part number 151X1215DC20SA01 specifies an industrial power electronics component manufactured by General Electric (GE), belonging to their DC2000 / DC drive and excitation system product lines.
Technical Specifications
| Feature | Specification |
| Manufacturer | General Electric (GE) |
| Product Type | SCR / Thyristor Power Module Assembly (100mm SCR Heat Sink Assembly) |
| Series / Application | GE DC2000 Series DC Motor Drives & Gas Turbine Excitation Systems |
| Component Structure | Integrated thyristors (SCRs) and matching driver circuitry forming a three-phase full-controlled bridge rectifier |
| Rated Output Current | 20 A |
| Input Voltage | Three-phase 380 to 480 VAC |
| Output Voltage Range | 0 to 460 VDC (adjustable) |
| Operating Environment | Heavy-duty industrial automation, power generation, and motion control |
Product Overview
The 151X1215DC20SA01 is a critical power conversion and control module used primarily within GE’s DC drive systems and excitation applications. It is engineered to manage high-power rectification, transforming alternating current into regulated direct current to achieve precise closed-loop control over DC motor speed, torque, or generator excitation fields.
Key Features:
-
High-Reliability Rectification: Integrates high-durability thyristors and built-in trigger/driver circuits to guarantee efficient thermal management and switching stability.
-
Precision Control: Works seamlessly within larger automation configurations to support accurate speed and torque regulation under fluctuating industrial loads.
-
Robust Protection: Designed to withstand rigorous electrical environments, featuring tolerance for standard industrial surge currents and integrated safety parameters.
151X1215DC20SA01
Core Functional Advantages
▪ Integrated high-power SCR rectifier bridge, precisely responding to control pulses to realize continuous adjustable excitation current for generator voltage regulation and reactive power tuning
▪ Integrated aluminum heat sink structure with forced air cooling, designed for continuous heavy-load operation inside excitation cabinets
▪ Built-in power device temperature acquisition circuit, enabling overheat monitoring and protective trip functions coordinated with the controller
▪ Galvanic isolation between low-voltage control firing circuits and high-voltage power circuits, delivering high dielectric strength and strong electromagnetic interference resistance
▪ Embedded hardware protection against overcurrent and short-circuit conditions to prevent fault propagation inside the rectifier
▪ Standard plug-in rack structure for installation inside EX2100 excitation power cabinets, facilitating spare replacement during unit overhauls
▪ Optional PCB conformal coating to withstand temperature variations, dust and humidity in power plant environments
▪ Seamless interoperability with the complete EX2100 control architecture, supporting simplex and dual redundant excitation configurations
Typical Application Scenarios
Combined-Cycle Power Plant Gas Turbine Generator Units
Core power rectifier component within EX2100 static excitation cabinets.
Thermal Power Plant Steam Turbine Generator Systems
Excitation current conversion unit for synchronous generators to stabilize terminal voltage.
Hydropower & Pumped-Storage Generating Units
Power conversion hardware for grid-connected synchronous generating equipment.
On-Site Cogeneration Plants & Metallurgical/Petrochemical Self-Generation Facilities
Static excitation retrofit and spare replacement for large synchronous generator sets.
Overhaul Spare Parts for EX2100 Excitation Systems
Direct replacement spare for aging power modules of existing excitation racks.
