Siemens 6MD85 Technical Data

Name: Siemens 6MD85
Brand: Siemens
Rating: 5 (1 reviews)

129 pages

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SIPROTEC 5

V7.80 and higher

High-Voltage Bay Controller

6MD85/86

Technical Data

Extract from manual C53000-G5040-C015-A, chapter 11

Energy Automation

Table of Contents8
General Device Data10
Protection Interface and Protection Topology19
Date and Time Synchronization21
Automatic Reclosing22
Phasor Measurement Unit23
Circuit-Breaker Wear Monitoring24
External Trip Initiation25
Overcurrent Protection, Phases26
Overcurrent Protection, Ground38
Directional Overcurrent Protection, Phases48
Directional Overcurrent Protection, Ground54
Inrush-Current Detection64
Instantaneous High-Current Tripping65
Stage with Definite-Time Characteristic Curve66
Stage with Inverse-Time Characteristic Curve68
Voltage-Dependent Overcurrent Protection, Phases70
Overvoltage Protection with 3-Phase Voltage73
Overvoltage Protection with Positive-Sequence Voltage75
Overvoltage Protection with any Voltage76
Undervoltage Protection with 3-Phase Voltage78
Undervoltage Protection with any Voltage81
Overfrequency Protection82
Underfrequency Protection83
Underfrequency Load Shedding84
Rate of Frequency Change Protection86
Power Protection (P,Q), 3-Phase88
Instantaneous Tripping at Switch Onto Fault89
Circuit-Breaker Failure Protection90
Negative-Sequence Protection with Definite-Time Characteristic Curve92
Stage with Inverse-Time Characteristic Curve93
Thermal Overload Protection, 3-Phase – Advanced95
Thermal Overload Protection, 1-Phase99
Temperature Supervision102
Analog-Units Function Group103

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Siemens 6MD85 Specifications

General

Brand	Siemens
Model	6MD85
Category	Controller
Language	English

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