​​Product Description​​

​​Description:​​

The​​DEIF GPU-2-GS​​is a versatile Generator Protection Unit designed for comprehensive control,monitoring,and protection of generating sets.This robust controller acts as the intelligent brain of a generator,ensuring safe and reliable operation by continuously monitoring electrical parameters and executing automatic shutdowns upon detecting hazardous conditions.It is an essential component for both standby and prime power applications,safeguarding the generator and the connected load.

​​Application Scenarios​​

Application Scenarios:

In a hospital’s emergency power system,a backup generator must start automatically and reliably during a grid failure to support life-critical equipment.The​​DEIF GPU-2-GS​​unit continuously monitors parameters like voltage,frequency,and engine conditions.If the generator successfully starts but develops a fault—such as an overcurrent condition or low oil pressure—the​​GPU-2-GS​​will immediately trip the circuit breaker and shut down the engine,preventing catastrophic damage.This proactive protection ensures the generator is available for the next outage and protects the hospital’s electrical infrastructure,directly addressing the pain points of equipment safety and power availability in critical facilities.

​​Parameter​​

Main Parameters

Value/Description

​​Product Model​​

​​DEIF GPU-2-GS​​

​​Manufacturer​​

DEIF(Danish Electric Intelligence Factory)

​​Product Category​​

Generator Protection Relay/Controller

​​Input Voltage​​

20-260V AC(phase-to-phase)

​​Frequency Range​​

20-75 Hz

​​Protection Functions​​

Overcurrent,Under/Over Voltage,Under/Over Frequency,Reverse Power,Earth Fault

​​Engine Monitoring​​

Emergency Stop,Overspeed,Low Oil Pressure,High Coolant Temperature

​​Output Relays​​

Multiple configurable relays for trip,alarm,and control

​​Communication​​

Optional modules for Modbus,CANbus,etc.

​​Display​​

LCD or LED for status and measurements

​​Mounting​​

Panel Mount

​​Standards​​

IEC 60255,UL 1054

​​Technical Principles and Innovative Values​​

Technical Principles and Innovative Values:

The​​DEIF GPU-2-GS​​is engineered with a focus on precision protection and operational flexibility.

​​Innovation Point 1:Integrated Multi-Function Protection.​​Unlike basic relays that monitor a single parameter,the​​GPU-2-GS​​combines multiple protection functions in one unit.It simultaneously monitors for overcurrent,under/over voltage/frequency,reverse power,and earth faults.This integrated approach simplifies system design,reduces wiring,and provides a coordinated protection scheme that responds optimally to different fault types.

​​Innovation Point 2:Advanced Engine Safeguarding.​​The unit integrates critical engine monitoring inputs(overspeed,low oil pressure,high coolant temperature)with electrical protection.This holistic approach ensures that both the electrical generator and the prime mover(diesel engine)are protected from damaging conditions,extending the overall life of the generating set.

​​Innovation Point 3:Configurable Logic and Flexibility.​​The​​DEIF GPU-2-GS​​features programmable setpoints and time delays for each protection function.This allows engineers to tailor the tripping characteristics to the specific generator and application requirements,preventing nuisance trips while maintaining critical safety.Its configurable output relays can be assigned to different functions(trip,alarm,start/stop),providing significant design flexibility.

​​Application Cases and Industry Value​​

Application Cases and Industry Value:

​​Project Case:Data Center Backup Power Resilience.​​A large data center experienced a failure in one of its backup generators during a grid blackout.Investigation revealed that a voltage regulator fault caused an overvoltage condition,but the basic controller did not react quickly enough,damaging IT equipment.The facility upgraded to​​DEIF GPU-2-GS​​units across its generator fleet.During a subsequent test,a similar overvoltage condition was detected by the​​GPU-2-GS​​within milliseconds,which initiated an immediate shutdown.This swift action protected the sensitive server loads and prevented costly hardware damage.The reliability and fast response of the​​DEIF GPU-2-GS​​proved its value in safeguarding critical business operations and ensuring uptime.

​​Related Product Combination Solutions​​

For a complete generator control and protection system,the​​DEIF GPU-2-GS​​is often used alongside these DEIF products:

​​DEIF AGC-4:​​An Automatic Genset Controller for managing multiple generators in parallel operation,which can receive signals from the​​GPU-2-GS​​.

​​DEIF PPM-2:​​A Power Protection Module for additional,specialized protection functions.

​​DEIF MCU-10:​​A Master Control Unit for complex power plant management,integrating several​​GPU-2-GS​​units.

​​DEIF COM-100/200:​​Communication modules to integrate the​​GPU-2-GS​​into SCADA or BMS(Building Management Systems)via Modbus RTU/TCP or Profibus.

​​DEIF Instrumentation:​​Sensors for speed,temperature,and pressure that provide input signals to the​​GPU-2-GS​​.

​​Installation,Maintenance,and Full-Cycle Support​​

Installation,Maintenance,and Full-Cycle Support:

Installation of the​​DEIF GPU-2-GS​​requires careful wiring of voltage and current transformer(VT/CT)circuits,engine sensor inputs,and output relay connections to the circuit breaker and engine control module.Configuration is crucial and involves setting the appropriate trip setpoints and time delays based on the generator’s nameplate data and application requirements using dedicated software or the front-panel interface.

Routine maintenance involves periodic functional testing by simulating fault conditions to verify the unit trips correctly.It is also essential to regularly check the calibration against known reference values to ensure measurement accuracy.Keeping the firmware updated is recommended for optimal performance.

We guarantee that every​​DEIF GPU-2-GS​​unit we supply is a genuine DEIF product,ensuring full compatibility and performance.Our technical support team can provide guidance on integration and configuration best practices.We understand the criticality of power generation systems and are committed to providing reliable components and expert support.Contact us for a solution tailored to your specific power management needs.

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