GE UR8HH CT/VT Module

Technical Specifications 

General Electric Multilin’s UR-8HH is a CT/VT module intended for installation in the Universal Relays series. It provides the relay with 1A/5A ground CTs and 3-1A/5A phase CTs, allowing the relay to scale down current ratings and voltage ratings to a value that enables the relay to monitor these system conditions and output data for user review. The data can then be employed for protective system functions executed by the relay itself. This data can be viewed through the relay’s liquid-crystal display or more efficiently through Multilin’s EnerVista UR software program.

UR-8HH Function in T35 Relay

The T35 is a basic transformer protection system that has the capacity to provide protection to main power transformers and to five feeders downstream from the main power transformer. The T35 can either run automatically or can be user defined using magnitude reference winding selection. In either case, the T35 can provide phase shift compensation, CT ratio matching, and can even allow the operator to eliminate zero-sequence current. 

Components of UR Series Relays

The UR-8HH is one of many components found within universal Multilin relays such as the T35 base transformer protection system. The UR universal relay GE Multilin contains CT/VT modules, such as the UR-8HH, in addition to a digital input/output module, a power supply (sometimes dual power supplys), a transducer input/output module, a central processing unit (CPU), inter relay communication features with a communication switch, and an IEC Process Bus. Each of these components can be specified with different ordering options to tailor the precise features to the type of UR series universal relay that is desired for the end application.

FAQ  技术常见问题解答

Q: Which signal types can UR8HH receive?
A: It accepts current transformer and voltage transformer inputs.

Q: Why does UR8HH use CT inputs?
A: They provide current data for protection and monitoring.

Q: Where does UR8HH send measured data?
A: The information goes to the relay processor for analysis.

Q: What makes UR8HH suitable for substations?
A: Reliable signal acquisition supports stable system performance

Q: Are your products brand new?
A: Yes. We only supply 100% original and brand-new products. All items are sourced through authorized channels and have never been used or refurbished.

Q: Why can customers buy with confidence?
A: Because every product is backed by our 1-Year Warranty Guarantee of Quality, ensuring reliability, customer satisfaction, and long-term support after delivery.

Q: Do you provide international shipping?
A: Yes. We ship products to customers worldwide using reliable international logistics services such as EMS, DHL, UPS, and FedEx.

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