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- Warehouse: Spot
- Warranty： 365 days
- Quality: Original module
- Condition： New
- Shipping method: Courier delivery
- Contact person: LI MING
- Contact number: +86 18059884790
- WeChat：18059884790
- E-mail: plc66@qq.com
GE Multilin T60-K03-HKH-F8N-H6D-M8L-P6D-U6B UR Series Transformer Protection Relay
Product Brief Description
The GE Multilin T60-K03-HKH-F8N-H6D-M8L-P6D-U6B is a UR series multifunctional numerical transformer protection system. This fully integrated digital relay delivers fast differential, overcurrent, voltage and thermal protection for two-winding and three-winding power transformers. It combines fault recording, metering, monitoring, control and communication functions in one compact rack-mounted unit. With flexible hardware configuration options, high-speed fault detection and robust EMC performance, it serves as a primary protection device for utility substations and large industrial power systems, supporting seamless integration with SCADA and substation automation platforms.
Product Functions
- High-speed transformer differential protection with inrush restraint and harmonic blocking to avoid false tripping during transformer energization
- Complete backup protection including phase overcurrent, ground fault, overvoltage, undervoltage, overexcitation and thermal overload protection
- Precise power metering, current/voltage measurement, power factor and load trending for transformer condition monitoring
- Built-in fault event recorder, oscillography and sequence of event (SOE) logging for post-fault analysis
- Multiple communication ports supporting IEC 61850, DNP3, Modbus and IRIG-B time synchronization for substation network
- Programmable logic, control functions and configurable contact outputs for breaker control, alarm and trip interlock
Application Scenarios
- Primary and backup protection for power transformers in utility transmission and distribution substations
- Large industrial plant captive power station and heavy industry power system transformer protection
- Oil & gas, chemical, mining and pulp & paper main power transformer supervision systems
- Renewable energy power plant step-up transformer protection and control
- Substation automation upgrade and legacy GE relay retrofit replacement projects
Frequently Asked Questions
Q: What is T60-K03-HKH-F8N-H6D-M8L-P6D-U6B?
A: It is GE Multilin UR series digital transformer protection relay, designed for main protection and monitoring of multi-winding power transformers in power substations.
Q: What is the core protection principle?
A: The core function is restrained differential protection, which identifies internal transformer faults while blocking operation during magnetizing inrush and external through faults.
Q: Does it support IEC61850?
A: Yes, the T60 series supports IEC61850 MMS and GOOSE communication for modern substation automation.
Q: What data can be retrieved after a fault?
A: It captures oscillography waveforms, fault magnitudes, event timestamps and SOE records for fault investigation.
Q: Does this relay support hot swap?
A: Hot module replacement is not recommended while the transformer is in service. Isolate the protection circuit and lock trip outputs before removing the relay to prevent unintended breaker trip.
