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Table Of Contents - Toshiba GRE110 Instruction Manual

Overcurrent protection relay

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Contents

Safety Precautions

1. Introduction

2. Application Notes

2.1 Phase Overcurrent and Residual Overcurrent Protection

2.2 Instantaneous and Staged Definite Time Overcurrent Protection

2.3 Sensitive Earth Fault Protection

2.4 Phase Undercurrent Protection

2.5 Thermal Overload Protection

2.6 Negative Sequence Overcurrent Protection

2.7 Broken Conductor Protection

2.8 Breaker Failure Protection

2.9 Countermeasures for Magnetising Inrush

2.10 Trip Signal Output

2.11 Application of Protection Inhibits

2.12 CT Requirements

2.13 Autoreclose

3. Technical Description

3.1 Hardware Description

3.2 Input and Output Signals

3.3 Automatic Supervision

3.4 Recording Function

3.5 Metering Function

3.6 Control Function

4. User Interface

4.1 Outline of User Interface

4.2 Operation of the User Interface

4.3 Personal Computer Interface

4.4 MODBUS Interface

4.5 IEC 60870-5-103 Interface

4.6 IEC 61850 Communication

4.7 Clock Function

4.8 Special Mode

5. Installation

5.1 Receipt of Relays

5.2 Relay Mounting

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