P112-6052 GE Feeder Numerical Protection Relay original

• Brand
  GE
• Model
  P112-6052
• Product Name
  Feeder Numerical Protection Relay
• Place of Origin
  United Kingdom
• Customs HS Code
  85371011
• Power Supply
  80Vdc to 250Vdc or 85Vac to 265Vac
• Dimensions
  144 mm × 144 mm × 160 mm
• Weight
  2.0 kg
• Operating Temperature
  -20℃ to +60℃
• Storage Temperature
  -40℃ to +85℃
• Warranty
  12 month
• Product Status
  new

Embedded Fast Recovery Anti-Parallel Freewheeling Diode of GE P112-6052

Structure configuration: Six fast recovery epitaxial diodes (FRED) are embedded within the P112-6052 6-pack IGBT power stack. Each diode is anti-parallel to one IGBT chip to form an integrated single-phase leg. The full stack comprises six IGBTs and six matched anti-parallel diodes, forming a complete 2-level three-phase inverter bridge.

Core function: Deliver a freewheeling path for inductive motor load current. When the IGBT turns off, the diode conducts to dissipate magnetic energy stored in motor inductance, suppress inductive voltage spikes and prevent IGBT damage from overvoltage breakdown. It also carries regenerative feedback current under four-quadrant operation.

Electrical characteristics: Tuned for fast reverse recovery with soft recovery behaviour. It lowers reverse recovery peak current and high-frequency switching oscillation. A low forward voltage drop reduces conduction losses, while reverse leakage current remains minimal at the rated blocking voltage. Its 1700V voltage rating and 600A current rating are fully matched to the paired IGBT chip.

Integration advantage: Diodes and IGBTs are assembled inside a single unified power stack. The internal busbar design shortens current loops and reduces stray inductance, eliminating extra wiring losses found in discrete external diode arrangements. This integrated construction cuts component count, saves cabinet footprint and reduces risks of field wiring defects.

Switching performance: Optimized for the operating switching frequency band of GE P112 medium-voltage drives. It significantly reduces reverse-recovery switching losses, raises overall power conversion efficiency and lowers heat generation within the power stack.

EMI suppression: Soft recovery characteristics mitigate high-frequency noise and voltage oscillation triggered by abrupt current decay during diode turn-off. This suppresses system electromagnetic interference and simplifies EMC engineering for the complete drive cabinet.

Thermal coordination: Diodes share the same cooling substrate and thermal path as the IGBT chips. Built-in NTC temperature sensors monitor overall chip temperature and enable synchronous thermal protection for both IGBTs and anti-parallel diodes. The drive activates overtemperature protection once junction temperature exceeds the preset threshold.

Application adaptability: Well suited for heavy-duty industrial loads such as mining conveyors, marine propulsion systems, oil & gas compressors and boiler feed pumps. It withstands frequent current reversals and recurring surge currents during four-quadrant regenerative operation.

Reliability benefit: Adopts high-power semiconductor chips with strong surge current capability. The matched thermal expansion design between diode chips and the substrate avoids thermal cycle fatigue under prolonged start-stop sequences and variable load fluctuations.

Compatibility: Fully compatible with the gate drive logic and protection system of GE P112 drives. Standard commissioning requires no modification to additional snubber circuits. Diode fault conditions can be transmitted to the main controller through the power stack’s hardware fault feedback signal.

Seamless compatibility with GE P112 series medium voltage variable speed drives, supporting direct spare replacement and field system retrofitting projects.

Implements 6-pack IGBT two-level three-phase inverter topology, rated at 1700V and 600A, capable of supplying continuous high output current for heavy-duty motor loads.

Embedded fast recovery anti-parallel freewheeling diodes with optimized switching performance, which cuts power dissipation and raises overall power conversion efficiency.

Equipped with integrated NTC thermal sensors to monitor power semiconductor chip temperature in real time, realizing early overheat pre-alarm and reliable thermal protection.

Enables four-quadrant bidirectional power flow, well suited for regenerative loads and applications requiring frequent torque reversal including marine propulsion systems and mining belt conveyors.

Integrated full set of protection mechanisms: overcurrent protection, short-circuit protection, overvoltage protection, undervoltage lockout and overtemperature protection to protect power modules and driven motors.

Adopts modular plug-in stack construction, which significantly reduces on-site maintenance and component replacement time and lowers equipment downtime.

Low stray inductance busbar layout, which effectively restrains IGBT switching voltage spikes and improves the whole system operating stability.

Matched gate drive interface for GE P112 drive control platform; simple commissioning without complicated hardware rework or modification.

Supports multi-stack parallel configuration to expand total output current and power capacity for high-power variable speed drive applications.

CE and RoHS certified, compliant with IEC 61800 and IEC 60721 industrial standards, qualified for critical sites in energy, marine, mining and oil & gas industries.

Excellent environmental tolerance, mechanically designed to withstand high-vibration industrial operating environments.

Delivers hardware fault status feedback signals to the main drive controller for remote fault diagnosis and event log recording.

Compatible with both air cooling and liquid cooling solutions to satisfy diversified cabinet thermal design requirements.

AQ for GE P112-6052

Q: What is GE P112-6052?

A: GE P112-6052 is a high-performance microcontroller module originally developed by Converteam, designed for drive and motion control systems.

Q: What are the typical applications of P112-6052?

A: It is commonly used in marine propulsion, power generation, heavy industry and dynamic positioning systems for high-precision drive control.

Q: What communication ports does GE P112-6052 support?

A: It is equipped with Ethernet, CAN bus, RS232 and USB interfaces for parameter configuration, real-time monitoring and data transmission.

Q: Can P112-6052 be used for old drive system retrofits?

A: Yes, it serves as a core replacement controller for GE / Converteam P110 & P210 series drives for maintenance and upgrade projects.

Q: Does GE P112-6052 support built-in diagnostic functions?

A: It integrates powerful diagnostic features to record fault logs and simplify on-site inspection and troubleshooting.

Q: How to get quotation and stock status for GE P112-6052?

A: Please send us your inquiry, we will check availability and provide you with formal offer quickly.

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