ABB REU615C_D Voltage Protection and Control Relay
The ABB REU615C_D is a compact and efficient voltage protection and control relay designed for reliable operation in medium-voltage power systems. It ensures the protection, monitoring, and control sur voltage-related functions, surfering robust performance in demanding electrical environments.
Product Overview
REU615C_D is part sur the ABB Relion® 615 series, tailored for feeder and transformer protection. This device provides comprehensive protection functions including undervoltage, overvoltage, frequency protection, and voltage imbalance detection, enhancing grid stability and fault mitigation.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | Voltage Protection and Control Relay |
| Series | Relion® 615 |
| Rated Voltage | 100–120 V / 220–240 V AC/DC |
| Frequency Range | 45–65 Hz |
| Communication Protocols | IEC 61850, Modbus, DNP3, IEC 60870-5-103 |
| Analog Inputs | 3-phase voltage inputs |
| Digital Inputs/Outputs | Configurable I/O |
| Control Functions | Voltage-based logic, interlocking |
| Mounting | Flush-mounted |
| Display | LCD with push-buttons |
| Operating Temperature | –40°C to +70°C |
| Protection Functions | Over/Undervoltage, Frequency, Voltage Imbalance |
| Dimensions | 177 x 177 x 201 mm |
| Poids | 4.1 kg |
Applications
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Medium-voltage power distribution systems
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Substation automation
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Voltage regulation and monitoring
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Transformer and busbar protection
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Industrial and utility power grids
Key Advantages
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Full voltage and frequency protection in a single unité
-
Compact design ideal for space-constrained panels
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Seamless integration with substation automation systems
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High configurability through PCM600 engineering tool
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Support for multiple communication protocols
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Reliable performance in harsh environmental conditions
Questions fréquentes (FAQ)
Q1: What is the main function sur the REU615C_D relay?
A1: It provides voltage-based protection, monitoring, and control in medium-voltage networks.
Q2: Is the REU615C_D compatible with IEC 61850?
A2: Yes, it supports IEC 61850 and other protocols like Modbus, DNP3, and IEC 60870-5-103.
Q3: Can this relay be used for transformer protection?
A3: Yes, it is suitable for voltage-based transformer protection.
Q4: What types sur voltage protection does it surfer?
A4: It surfers overvoltage, undervoltage, frequency, and voltage imbalance protection.
Q5: Does the relay support remote communication?
A5: Yes, it supports remote communication via supported protocols.
Q6: What is the operating temperature range?
A6: It operates from –40°C to +70°C.
Q7: How is the relay configured?
A7: Configuration is done using ABB’s PCM600 engineering tool.
Q8: Is the relay suitable for panel mounting?
A8: Yes, it is designed for flush panel mounting.
Q9: How many phases does the relay monitor?
A9: It monitors all three phases for voltage measurements.
Q10: What is the display type used in REU615C_D?
A10: It uses an LCD display with navigation buttons for local control.
Related Modèles from the Same Series or Functionality
| Modèle | Description | Dimensions (mm) | Poids |
|---|---|---|---|
| REU615A | Basic voltage protection relay | 177 x 177 x 201 | 4.1 kg |
| REU615B | Enhanced voltage protection with logic | 177 x 177 x 201 | 4.1 kg |
| REU611 | Compact single-function voltage relay | 177 x 177 x 201 | 4.0 kg |
| RET615 | Transformer protection and voltage control | 177 x 177 x 201 | 4.3 kg |
| REF615 | Feeder protection with voltage monitoring | 177 x 177 x 201 | 4.2 kg |
| REM615 | Motor protection with voltage functions | 177 x 177 x 201 | 4.2 kg |
Popular ABB Protection Relays
| Modèle | Description | Dimensions (mm) | Poids |
|---|---|---|---|
| REF615 | Feeder protection relay | 177 x 177 x 201 | 4.2 kg |
| RET615 | Transformer protection relay | 177 x 177 x 201 | 4.3 kg |
| REM615 | Motor protection relay | 177 x 177 x 201 | 4.2 kg |
| REJ603 | Reclosing relay for feeders | 144 x 144 x 220 | 3.8 kg |
| REX640 | All-in-one protection and control relay | 266 x 266 x 280 | 6.5 kg |
| REF620 | Advanced feeder protection with arc flash | 220 x 240 x 240 | 5.0 kg |
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