Product Overview
The ALSTOM MCGG22L1CB0753Erepresents a sophisticated generator protection relay within ALSTOM’s comprehensive power system protection portfolio,designed specifically for the protection and management of generators and large rotating machines.This advanced protection terminal incorporates multiple protection functions in a single compact unit,providing complete generator protection including differential protection,backup protection,and generator management functions.Engineered with modern microprocessor technology and advanced algorithms,the MCGG22L1CB0753Eensures reliable operation under various system conditions while maintaining stability during external faults and disturbances.
As part of ALSTOM’s generator protection series,the MCGG22L1CB0753Efeatures high-speed differential protection with harmonic restraint capability,ensuring secure operation during generator energization while maintaining sensitivity for internal faults.The relay’s comprehensive protection suite includes stator earth fault protection,loss of excitation protection,reverse power protection,and overexcitation protection,providing complete generator protection coverage.The ALSTOM MCGG22L1CB0753Esupports multiple communication protocols including IEC 61850,enabling seamless integration into digital substations while maintaining compatibility with conventional CT/VT installations.Its robust design and advanced filtering techniques ensure stable operation in electrically noisy power plant environments.
Technical Specifications
Product Model|MCGG22L1CB0753E
Manufacturer|ALSTOM(now part of GE Grid Solutions)
Product Type|Generator Protection Relay
Rated Frequency|50/60Hz
Protection Functions|Differential,Overcurrent,Earth Fault,Loss of Excitation
Differential Protection|High-impedance differential with 2nd/5th harmonic restraint
CT Requirements|1A or 5A secondary
Rated Voltage|110-240V AC/DC
Communication|IEC 61850,IEC 60870-5-103,Modbus
Binary Inputs|16 programmable inputs
Binary Outputs|12 relay outputs
Analog Inputs|4 current,4 voltage
Sample Rate|80 samples/cycle
Fault Records|100+events with oscillography
Operating Temperature|-25°C to+70°C
Storage Temperature|-40°C to+85°C
Power Consumption|<15W
Protection Degree|IP54
Dimensions|177mm×177mm×200mm
Standards|IEC 60255,IEEE C37.90
Main Features and Advantages
The ALSTOM MCGG22L1CB0753Edelivers exceptional protection performance through its advanced generator-specific algorithms and high-precision measurement system.The relay’s differential protection incorporates harmonic restraint during magnetizing inrush conditions and current transformer saturation detection,ensuring security while maintaining fast operation for internal faults.The MCGG22L1CB0753Efeatures adaptive characteristics that automatically adjust protection settings based on generator operating conditions,providing optimal protection during startup,synchronization,and full-load operation.
Generator management capabilities are a significant advantage of the ALSTOM MCGG22L1CB0753E.The relay includes comprehensive monitoring functions for generator temperature,vibration,and bearing condition,enabling predictive maintenance and early fault detection.The unit’s synchronization function checks voltage,frequency,and phase angle matching before generator connection to the grid.The ALSTOM MCGG22L1CB0753Ealso features advanced recording capabilities including detailed sequence of events,fault reports,and trending data,providing valuable information for post-event analysis and performance monitoring.
Application Field
In conventional power plants,the ALSTOM MCGG22L1CB0753Eprovides complete protection for turbo-generators and hydro-generators,with protection functions tailored to specific generator characteristics and prime mover requirements.The relay’s sensitive stator earth fault protection detects insulation deterioration at an early stage,while the comprehensive backup protection ensures generator security during system disturbances.In industrial power generation applications,the MCGG22L1CB0753Eprotects standby generators and cogeneration units,with reverse power protection preventing motoring operation and loss of excitation protection safeguarding against underexcited operation.
The generator protection relay excels in various power generation applications:
Thermal Power Plants:Turbo-generator protection and control
Hydroelectric Plants:Hydro-generator protection and synchronization
Industrial Generation:Standby generator and cogeneration protection
Renewable Energy:Biomass and biogas generator protection
Marine Applications:Shipboard generator protection and management
Related Products
ALSTOM MCGG22L1CB0754E-Enhanced version with additional protection functions
ALSTOM MCGG22L1CB0752E-Basic generator protection version
ALSTOM MCAG22L1CB0753E-Motor protection relay
ALSTOM MIFP22L1CB0753E-Feeder protection relay
ALSTOM MICT22L1CB0753E-Transformer differential protection
ALSTOM MICOM22L1CB0753E-Multi-functional protection relay
ALSTOM MIVP22L1CB0753E-Voltage and frequency protection relay
Installation and Maintenance
Installation preparation:Proper installation of the ALSTOM MCGG22L1CB0753Erequires careful planning of CT circuits and coordination with generator characteristics.The relay should be mounted in a vibration-free location with adequate space for cable routing.CT circuits must be properly sized and coordinated to ensure matching characteristics for differential protection.Generator parameters including reactances,time constants,and thermal characteristics must be accurately configured for optimal protection performance.
Maintenance recommendations:Regular maintenance includes verification of protection settings and functional testing using secondary injection.The relay’s self-monitoring functions should be reviewed periodically,and event records should be analyzed to identify potential issues.Protection settings should be verified after any significant generator maintenance or rewinding.Commissioning tests should include differential characteristic verification,restraint feature testing,and synchronization function checking.
Product Guarantee
We guarantee that every ALSTOM MCGG22L1CB0753Egenerator protection relay is genuine ALSTOM product with full manufacturer certification.Our quality assurance process includes comprehensive testing of all protection functions and communication interfaces.The product is backed by technical support for configuration and commissioning assistance,ensuring reliable generator protection for critical power generation assets.We maintain adequate inventory to support both new projects and maintenance requirements,minimizing downtime for power generation facilities.
选择深圳长欣，选择放心，售后无忧 大量现货，当天顺丰发货！！！
