Hubbell Beckwith Electric M-2001D Manuals

Manuals and User Guides for Hubbell Beckwith Electric M-2001D. We have 1 Hubbell Beckwith Electric M-2001D manual available for free PDF download: System Manual

Hubbell Beckwith Electric M-2001D System Manual (206 pages)

LTC Transformer Control System Including Paralleling and Backup Control

Brand: Hubbell | Category: Control Systems | Size: 5 MB

Table of Contents
5
Introduction
11
LTC Transformer Control Connections
12
Bottom View
12
M-0169A Auxiliary Current Transformer
12
M-0329B LTC Backup Control
13
M-0329B Recommended Settings
13
M-0329B Installation and Testing
13
Peer to Peer Paralleling Communications and Power Backup
14
Peer to Peer Communications
14
Ethernet Switch
15
Control Power Backup
16
Control Power Backup Input
16
Top View
16
Firmware Update Cautions with Peer to Peer Paralleling
17
Update CID File Message on the HMI
17
Taptalk Utility/Update Dvar Peer to Peer after Firmware Update (Without IEC 61850)
17
Delta Var Peer-To-Peer Paralleling
18
Delta Var Peer to Peer Paralleling Application
18
(Delta Var or Master/Follower)
21
Control Network Map Determination
22
Bus Topology
22
Delta Var Peer to Peer Paralleling Modes
25
Parallel/Independent Switch Input with Delta Var Peer to Peer
27
Application
27
P2P Parallel or Independent Mode When no Input Is Available
30
Sympathy Manual Operation with Delta Var Peer to Peer
31
Application Overview
31
Overview of Sympathy Manual Operation
32
Delta Var Peer to Peer Paralleling - Control Setup from Taptalk
34
Taptalk Setup/Configuration/Paralleling
34
Line Drop Compensation Calculations for Peer to Peer Deltavar Paralleling
35
Taptalk P2P System Manager - Dvar Paralleling Configuration Tool
36
Delta Var Peer to Peer Paralleling Control Setup from the HMI
38
Delta Var Peer to Peer Lockouts
39
Delta Var Peer to Peer Lockout Alarm Messages
40
Clearing Delta Var Peer to Peer Paralleling Lockout/Alarms from Taptalk
41
Alarms Setup
41
Delta Var Peer to Peer Paralleling Checkout Procedure
42
Two Transformer Verification
42
Three Transformer Verification
44
Master/Follower Peer-To-Peer Paralleling
49
Master/Follower Peer to Peer Paralleling Application
52
Grouping Operation Algorithm (GOA)
52
Master and Follower Control Setup from Taptalk
53
Taptalk Setup/Configuration/Paralleling
53
Taptalk P2P System Manager - Master/Follower Configuration Tool
55
Master and Follower Control Setup from the HMI
56
Master/Follower Lockouts and Alarms
59
Lockout Condition
59
Master/Follower Alarm Messages
60
Clearing Master/Follower Paralleling Lockout/Alarms from Taptalk
60
Independent Mode
61
Master/Follower Remain in Block Automatic
61
Classic Paralleling
62
Circulating Current Paralleling
62
Delta Var1 Paralleling
62
Circulating Current and Delta Var1 Configuration
69
Circulating Current/Delta Var1 Theory of Operation
69
M-0115A Parallel Balancing Module
70
M-0127A/M-0170A AC Current Relay
71
Paralleling with a Mixture of Controls
71
Circulating Current Paralleling Checkout Procedure
71
Two Transformer Verification
71
Three Transformer Verification
73
Delta Var1 Paralleling Checkout Procedure
76
Two Transformer Verification
76
Delta Var2 Paralleling
79
Delta Var2 Paralleling and Delta Var2 Paralleling + Keeptrack
81
Application Considerations
86
Interposing Motor Drive Relay, Buzz, Chatter, and Lock-Up
86
Defective Interposing Relays
87
Main Terminal Block
90
Output Contacts
113
Transient Protection
113
Installation
114
External Connections
115
Torque Requirements
115
Test Procedure
118
Equipment Required
118
Bandwidth Test
119
Replaceable Fuses
120
Disposal and Recycling
121
Warranty
124
Back View
134
Additional Applications
140
Temperature Range
141
C.1 Overview
148
C.2 Application
148
Defining the Problem
148
Conditions When Transformer Tap Positions Are Not Identical
149
Difference
150
Parallel Balancer
152
A Fundamental CT Principle
152
Basic Parallel Balancer Requirements
152
C.3 Using Line Drop Compensation
154
C.4 Parallel/Independent Operation
157
Method, Including Circuit Breaker Auxiliary Switch Contacts
162
D.1 Overview
162
D.2 Application
162
Three Identical Transformers in Service with an Evenly Distributed Load
162
Three or more Identical Transformers in Parallel
162
Two out of Three Transformers in Service with an Evenly Distributed Load
163
Three Transformers in Service with a Load Bus Tie Opened
163
Complete Circuit with Auxiliary CT and AC Current Relay
163
Unequal Transformers in Parallel
168
Basic Requirements
168
Two Transformers of Equal Kva with Unequal Impedance - the Basic Problem
168
Paralleling Transformers of Unequal Kva Rating or Impedance
170
Paralleling Systems with an Intermediate Load Tap
173
D.3 Instrument Transformer Configuration
175
E.1 Overview
178
E.2 Application
178
Defining the Problem
178
Understanding the Conditions
179
The Delta Var Methods
179
E.3 Operational Comparisons
180
Common High & Low Side Busses
180
Paralleling Interrupted
180
Source Side Separation
180
Overview
184
Considerations
184
Voltage Regulation Principles
184
Factors Which Cause V B to Change
186
Objective #1: Hold the Bus Voltage
186
B ) at the Desired Level
186
Objective #2: Hold the Load Voltage
188
L ) at the Desired Level
188
Setting LTC Control LDC R and LDC X
189
Bus Voltage Conditions When Using Line Drop Compensation
193
Comparison Voltage Profile, Non-LDC Vs LDC
194
Voltage Limit Override
195
Control Settings When the Feeder Includes Capacitors
197
Regulators in Cascade Operation
199
Reverse Power Flow Operation
200
Reverse Power Flow - Proper Application
200
Reverse Power Flow - Improper Application
201

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Hubbell Beckwith Electric M-2001D System Manual (206 pages)

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