GE STD15C Transformer Differential Relays Manuals

Manuals and User Guides for GE STD15C Transformer Differential Relays. We have 2 GE STD15C Transformer Differential Relays manuals available for free PDF download: Instructions Manual

GE STD15C Instructions Manual

GE STD15C Instructions Manual (27 pages)

TRANSFORMER DIFFERENTIAL RELAYS with PERCENTAGE AND HARMONIC RESTRAINT

Brand: GE | Category: Relays | Size: 4 MB

Table of Contents

Table of Contents
2
Introduction
3
Description
3
- Current Transformer Ratio Error
  4
Application
3
Ratings
7
- III Percent Slope Setting
  7
- Auxiliary Relay Control Circuit
  8
Characteristics
8
Current Transformers
8
- Overcurrent Unit Pickup
  8
- Pickup and Operating Time
  8
- Through Current Restraint Circuit
  9
- Differential
  9
- Overcurrent Unit
  9
- Current Circuit
  9
Case
10
Receiving, Handling, and Storage
10
Acceptance Tests
11
- Visual Inspection
  11
- Mechanical Inspection
  11
- Electrical Tests
  11
- Test Facilities
  11
- Harmonic Current Restraint
  11
  - Pickup
    15
- Through Current Restraint
  16
  - Instantaneous Overcurrent Unit
    16
Location
16
Mounting
16
- Dropout of Main Unit
  16
Connections
17
- Unbalance Current Measurement
  17
- Percent Slope Setting
  18
- Std Relay
  18

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GE STD15C Instructions Manual

GE STD15C Instructions Manual (44 pages)

Brand: GE | Category: Transformer | Size: 1 MB

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