Product Overview
The GE UR-77-H is an inter-relay communications module designed for GE Multilin UR relays. This module enables the exchange of digital status and analog values between relays, improving control speed, tripping, and teleprotection functions in power systems.
Key Features
- Module Type: Inter-relay communications module designed to enhance communication between UR relays.
- Mounting Orientation: Horizontal unit, ensuring easy integration in relay panels.
- Communication Standard: Supports IEEE C37.94, facilitating reliable and standardized communication.
- Functionality: Allows the sharing of digital status and analog values between UR relays, optimizing system control and protection.
- Application: Perfect for fast tripping, control, and teleprotection in power system protection schemes.
Communication Specifications
- Transmission Medium: Utilizes multimode fiber optic cables with an 820 nm wavelength, ensuring high-speed and secure data transfer.
- Number of Channels: Features 2 communication channels for simultaneous data exchange between relays.
- Indicators: Equipped with LED indicators for real-time status updates and diagnostics.
Physical Characteristics
| Parameter | Value |
|---|---|
| Unit Type | Horizontal unit |
| Size | Compact design for easy panel integration |
| Contact Type | Post and socket for reliable connections |
Applications
- Control: Facilitates data exchange between relays for synchronized control, improving power system reliability.
- Fast Tripping: Enables high-speed protection in power systems, reducing response times in fault conditions.
- Teleprotection: Supports remote protection and monitoring for critical components, enhancing system resilience.
Frequently Asked Questions (FAQ)
Q1: What is the communication standard used by the GE UR-77-H?
A1: The UR-77-H uses the IEEE C37.94 communication standard for reliable and standardized data exchange.
Q2: How does the GE UR-77-H improve power system protection?
A2: The module allows fast tripping, precise control, and teleprotection, enhancing the speed and accuracy of power system protection schemes.
Q3: What type of cables does the GE UR-77-H use for data transmission?
A3: It uses multimode fiber optic cables with an 820 nm wavelength, ensuring secure and efficient data transfer.
Q4: Can I integrate the UR-77-H module into an existing relay panel?
A4: Yes, the UR-77-H features a horizontal unit design, making it easy to integrate into existing GE Multilin UR relay panels.
Q5: How many communication channels are supported by the GE UR-77-H?
A5: The UR-77-H supports 2 communication channels for simultaneous data exchange between relays.
Details
| Weight | 0.6 kg |
|---|
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