Product Brief Description
ABB 1MRK000005-189 1MRK001370-DAR01 60-05-2721 This protection device is an absolute”stabilizing force”for power system protection!As a transformer differential protection unit in the REL670 series,it adopts an advanced sampling value differential principle with an operating time of less than 20 milliseconds,quickly disconnecting faulty equipment during grid faults.It supports the IEC61850 communication protocol,easily connecting to smart substation systems.Rest assured,we only sell genuine original products,and our technical support and after-sales service are absolutely top-notch!
Rated Voltage:110-500kV
Action Time:≤20ms
Communication Protocol:IEC61850
Operating Temperature:-40℃~+70℃
Protection Class:IP40
Product Details
ABB 1MRK000005-189 Technical Specifications
Product Model:ABB 1MRK000005-189 1MRK001370-DAR01 60-05-2721
Manufacturer:ABB Group
Product Type:Digital Differential Protection Device
Application:Transformer/Reactor Differential Protection
Rated Voltage:110kV-500kV
Rated Current:1A/5A
Action Time:≤20ms(twice the setting value)
Sampling Frequency:4800Hz
Communication Interface:2×Ethernet Ports,2×Serial Ports
Communication Protocol:IEC61850-8-1,IEC60870-5-103
Operating Power Supply:110/220VDC or 100/220VAC
Power Consumption:Normal≤15W,Tripping≤25W
Operating Temperature:-40℃~+70℃
Storage Temperature:-40℃~+85℃
Protection Rating:IP40
Installation Method:19-inch rack mounting
Weight:Approx.8.5kg
ABB 1MRK000005-189 Product Overview
Speaking of ABB 1MRK000005-189 1MRK001370-DAR01 60-05-2721 is a formidable player in the power protection field.This is a transformer differential protection device from the ABB REL670 series,specifically designed for the protection of main transformers at voltage levels of 110kV and above.Employing an advanced sampling value differential algorithm,it can accurately distinguish between faults within and outside the protection zone,preventing false tripping or failure to trip.
In practical applications,the most impressive feature of ABB 1MRK000005-189 1MRK001370-DAR01 60-05-2721 is its”eagle eye.”By comparing the phasor sum of the currents on each side of the transformer in real time,it can accurately determine the fault location and quickly trip within 20 milliseconds.In particular,its harmonic restraint function effectively prevents false tripping caused by inrush current when the transformer is closed under no-load conditions.Many relay protection engineers have stated that after using ABB 1MRK000005-189 1MRK001370-DAR01 60-05-2721,the correct operating rate of the main transformer protection has directly increased to over 99.9%.
Main Features and Advantages:In terms of protection performance,ABB 1MRK000005-189 1MRK001370-DAR01 60-05-2721 truly achieves excellence.Employing a full-cycle Fourier algorithm,it accurately extracts the fundamental component and effectively suppresses attenuated DC components and harmonic effects.In particular,its adaptive braking characteristic automatically adjusts the braking coefficient according to the fault current,ensuring sensitivity to faults within the protection zone while preventing false tripping during faults outside the zone.
The communication function is exceptionally powerful,supporting the IEC61850 standard and allowing direct access to the process layer network of intelligent substations.The transmission delay of GOOSE sampling valuesand trip commands is less than 3 milliseconds,fully meeting the real-time requirements of intelligent substations.The device also supports IEEE 1588 time synchronization,achieving a time synchronization accuracy of 1 microsecond for each bay level.
Its reliability design is exceptional,employing a fully sealed chassis structure with an IP40 protection rating.The circuit boards utilize surface mount technology,and all components undergo aging screening at temperatures ranging from-40°C to+85°C.The mean time between failures(MTBF)exceeds 100,000 hours,fully meeting the stringent reliability requirements of power systems.
Application Fields
The ABB 1MRK000005-189 1MRK001370-DAR01 60-05-2721 differential protection device delivers exceptional performance in high-voltage power systems.Its advanced sampling value differential principle ensures fast and reliable fault detection for transformers and reactors in substations ranging from 110kV to 500kV.The device’s compliance with IEC 61850 standards enables seamless integration into digital substation automation systems.
In smart grid applications,this protection unit provides comprehensive monitoring and control functions through its Ethernet communication interfaces.The device’s adaptive characteristic curve automatically adjusts to different fault conditions,maintaining protection reliability during system disturbances.Its robust design withstands harsh substation environments,ensuring continuous operation in temperature extremes from-40°C to+70°C.
The protection relay excels in generator-transformer unit protection applications,where its high-speed operation prevents equipment damage during internal faults.The device’s configurable logic programming allows customization for specific application Requirements,while its comprehensive event recording capabilities facilitate post-fault analysis and system optimization.Application Areas:In 500kV ultra-high voltage substations,ABB 1MRK000005-189 1MRK001370-DAR01 60-05-2721 is the”guardian”of the main transformer.A single main transformer is worth tens of millions,and a failure would result in huge losses.This differential protection device can accurately identify and quickly disconnect faults the moment they occur,minimizing equipment damage.Many power grid companies use ABB 1MRK000005-189 1MRK001370-DAR01 60-05-2721 as standard equipment for 500kV main transformer protection.
In large power plants,ABB 1MRK000005-189 1MRK001370-DAR01 60-05-2721 is responsible for the protection of generator-transformer units.In particular,its CT disconnection interlocking function effectively prevents malfunctions caused by current transformer abnormalities,ensuring the safe operation of the unit.Many megawatt-class units choose this device because of its high reliability.
The construction of smart substations further highlights the usefulness of ABB 1MRK000005-189 1MRK001370-DAR01 60-05-2721.Supporting the IEC61850 standard,it can be directly connected to the process layer network,achieving coordination between protection devices through the GOOSE mechanism.This greatly simplifies secondary wiring and improves system reliability.
Selection Guide/Purchase Recommendations:When selecting a model,pay attention to several key points:First,confirm the voltage level.ABB 1MRK000005-189 1MRK001370-DAR01 60-05-2721 is suitable for 110kV-500kV systems.If the voltage level is higher,choose another model.Secondly,check the transformer connection group.This device supports Y/Δconversion and can automatically compensate for phase differences.
When purchasing,always ensure you get genuine original products.Many refurbished devices on the market use salvaged components,compromising reliability.The ABB 1MRK000005-189 and 1MRK001370-DAR01 60-05-2721 units provided by Shenzhen Changxin are all original products,each with an independent factory inspection report.Special reminder:Always perform a vector check during commissioning to ensure the correct polarity of the current transformers(CTs)on each side.
Frequently Asked Questions(FAQ)
Q:Can the ABB 1MRK000005-189 and 1MRK001370-DAR01 60-05-2721 be used for three-winding transformer protection?
A:Absolutely!The device supports up to six current inputs,fully meeting the protection requirements of three-winding transformers.
Q:What is the device’s operating time?
A:In the event of a fault within the zone,the operating time should not exceed 20 milliseconds(at twice the setpoint).
Q:How to determine if the device needs replacement?
A:The most direct method is to check the self-test report:If a”hardware fault”alarm appears,professional personnel need to be contacted for testing.
Customer Case Sharing:Last year,in a main transformer protection upgrade project for an UHV substation,ABB 1MRK000005-189 1MRK001370-DAR01 60-05-2721 played a crucial role.The original electromagnetic protection was slow,resulting in excessively long fault clearing times.After replacing it with ABB 1MRK000005-189 1MRK001370-DAR01 60-05-2721,the operating time was reduced from 80 milliseconds to 20 milliseconds,significantly reducing the risk of equipment damage.
An even more classic example is its application in smart substations,where the customer had been troubled by protection coordination issues for many years.The GOOSE communication mechanism of ABB 1MRK000005-189 1MRK001370-DAR01 60-05-2721 completely solves this problem,and now the protection system works seamlessly together.The operations and maintenance manager said,”This is the level a smart station should be!”Related Products:
ABB REL670:Main Equipment Protection Platform
ABB RET670:Transformer Protection Device
ABB REG670:Generator Protection Device
ABB REF670:Feeder Protection Device
ABB REM670:Motor Protection Device
ABB REC670:Capacitor Protection Device
ABB RES670:Automatic Transfer Switch
ABB REQ670:Reactive Power Compensation Control Device
ABB RET630:Medium and Low Voltage Transformer Protection
ABB REF615:Feeder Protection and Control Device Installation and Maintenance:Preparation Before Installation:Before installation,teachers should complete three preparations:First,confirm that the device is reliably grounded,and the cross-sectional area ofthe protective grounding wire is not less than 4mm²;then check the insulation of the TA secondary circuit,ensuring that the insulation between each winding and to ground is greater than 100MΩ;finally,verify the setting sheet to ensure that all parameters are set correctly.Maintenance Recommendations:Conduct a comprehensive inspection annually,including protection logic testing,TA polarity checking,and communication function verification.If the ABB 1MRK000005-189 1MRK001370-DAR01 60-05-2721 has been in operation for more than 5 years,it is recommended to perform an accuracy calibration.It is advisable to keep a spare of the same model for emergencies,especially for important substations.Shenzhen Changxin maintains a year-round inventory,and can ship within 24 hours in emergencies.
Product Guarantee:Shenzhen Changxin is fully confident in the quality of ABB 1MRK000005-189 1MRK001370-DAR01 60-05-2721,offering an 18-month warranty.Any quality issues will result in a direct replacement.More importantly,we have a professional technical team providing 24/7 support,available on call for everything from setting calculations to fault analysis.Having cultivated deep expertise in power system protection for many years,we understand the paramount importance of protection reliability for grid security.Therefore,every ABB 1MRK000005-189 1MRK001370-DAR01 60-05-2721 protection relay undergoes rigorous testing before shipment to ensure your peace of mind.Shenzhen Changxin’s warehouse maintains ample stock year-round,enabling rapid response to urgent projects and ensuring that customers are never hindered by waiting for spare parts,thus maintaining grid security.
Our Commitment to Quality Assurance
At Shenzhen Changxin,we guarantee the performance of every ABB 1MRK000005-189 1MRK001370-DAR01 60-05-2721 protection relay through comprehensive testing procedures.
选择深圳长欣，选择放心，售后无忧 大量现货，当天顺丰发货！！！
