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General Electric UR8CH CT/VT Module
Manufacturer: GE Multilin
Product Number: UR8CH
Category: CT/VT Module (UR Series)
Input Type: Current Transformer (CT) and Voltage Transformer (VT) inputs
Current Inputs: 3-1A/5A phase CT and 1/5A ground CT
Function: Provides CT and VT signal interface for protection relays, scales power system current and voltage to levels suitable for relay processing
Protection Features: Enables differential protection, concurrent per-phase protection, customizable CT/VT settings
Isolation: Galvanic isolation protects system from extreme currents and voltages, extends equipment life
Diagnostic Features: Enhanced diagnostics use advanced algorithms to verify analog signal integrity; combined with UR relay health diagnostics for dual-layer component evaluation
Safety Features: VT improves user safety by providing standardized voltage for measurement
Configuration: Highly configurable via EnerVista Launchpad software; firmware version 4.0x or higher recommended for full compatibility
System Compatibility: GE Multilin UR series universal relays
Application: Power system protection, current/voltage measurement, feeder protection, transformer protection, generator protection
Product Description
The GE UR8CH is a CT/VT module designed for Universal Relays. It enhances the relay’s current and voltage measurement capabilities. Additionally, it enables unique protection schemes such as differential and concurrent split-phase protection.
Key Features
- Three 1A/5A Phase CT Inputs: Allows for accurate measurement of phase currents.
- One 1/5A Ground CT Input: Provides measurement of ground currents.
- Enhanced Relay Measurement Capabilities: Improves current and voltage monitoring.
- Unique Protection Schemes: Supports differential and split-phase protection.
- Modular Design: Ensures easy installation and maintenance.
- Compatibility: Works with GE Multilin UR series protection relays.
Technical Specifications
- Accuracy: 0.5%
- Burden: 0.2 VA per phase
- Operating Temperature Range: -40°C to +85°C
- Storage Temperature Range: -55°C to +90°C
- Humidity: 5% to 95% non-condensing
- Altitude: Up to 2,000 meters
Applications
- Feeder Protection: Monitors and protects feeders.
- Motor Protection: Ensures motor safety and performance.
- Generator Protection: Safeguards generators from faults.
- Bus Protection: Protects bus systems from faults.
- Transformer Protection: Secures transformers against damage.
Additional Details
- Rugged Enclosure: The module is housed in a durable, DIN-rail mountable case.
- LED Indicators: Provides status and alarm information.
- Communication Ports: Includes RS-232 and Ethernet interfaces.
- Software Support: Compatible with GE Multilin’s software suite.
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General Electric UR8CH CT/VT Module
Manufacturer: GE Multilin
Product Number: UR8CH
Category: CT/VT Module (UR Series)
Input Type: Current Transformer (CT) and Voltage Transformer (VT) inputs
Current Inputs: 3-1A/5A phase CT and 1/5A ground CT
Function: Provides CT and VT signal interface for protection relays, scales power system current and voltage to levels suitable for relay processing
Protection Features: Enables differential protection, concurrent per-phase protection, customizable CT/VT settings
Isolation: Galvanic isolation protects system from extreme currents and voltages, extends equipment life
Diagnostic Features: Enhanced diagnostics use advanced algorithms to verify analog signal integrity; combined with UR relay health diagnostics for dual-layer component evaluation
Safety Features: VT improves user safety by providing standardized voltage for measurement
Configuration: Highly configurable via EnerVista Launchpad software; firmware version 4.0x or higher recommended for full compatibility
System Compatibility: GE Multilin UR series universal relays
Application: Power system protection, current/voltage measurement, feeder protection, transformer protection, generator protection
Product Description
The GE UR8CH is a CT/VT module designed for Universal Relays. It enhances the relay’s current and voltage measurement capabilities. Additionally, it enables unique protection schemes such as differential and concurrent split-phase protection.
Key Features
- Three 1A/5A Phase CT Inputs: Allows for accurate measurement of phase currents.
- One 1/5A Ground CT Input: Provides measurement of ground currents.
- Enhanced Relay Measurement Capabilities: Improves current and voltage monitoring.
- Unique Protection Schemes: Supports differential and split-phase protection.
- Modular Design: Ensures easy installation and maintenance.
- Compatibility: Works with GE Multilin UR series protection relays.
Technical Specifications
- Accuracy: 0.5%
- Burden: 0.2 VA per phase
- Operating Temperature Range: -40°C to +85°C
- Storage Temperature Range: -55°C to +90°C
- Humidity: 5% to 95% non-condensing
- Altitude: Up to 2,000 meters
Applications
- Feeder Protection: Monitors and protects feeders.
- Motor Protection: Ensures motor safety and performance.
- Generator Protection: Safeguards generators from faults.
- Bus Protection: Protects bus systems from faults.
- Transformer Protection: Secures transformers against damage.
Additional Details
- Rugged Enclosure: The module is housed in a durable, DIN-rail mountable case.
- LED Indicators: Provides status and alarm information.
- Communication Ports: Includes RS-232 and Ethernet interfaces.
- Software Support: Compatible with GE Multilin’s software suite.
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