GE KVGC 202 Manuals

GE KVGC 202 Manuals

Manuals and User Guides for GE KVGC 202. We have 1 GE KVGC 202 manual available for free PDF download: Technical Manual

GE KVGC 202 Technical Manual

GE KVGC 202 Technical Manual (150 pages)

Voltage Regulating Control

Brand: GE | Category: Relays | Size: 1.98 MB

Table of Contents

Table of Contents

3
- Control
  4
- 1 Introduction
  
  11
  - Using the Manual
    11
  - Models Available
    12
- 2 Handling and Installation
  
  13
  - General Considerations
    13
  - Receipt of Product
    13
  - Electrostatic Discharge (ESD)
    13
  - Handling of Electronic Equipment
    13
  - Mounting
    14
  - Unpacking
    14
  - Storage
    14
- 3 Relay Description
  
  15
  - User Interface
    15
  - Frontplate Layout
    16
  - LED Indications
    16
  - Keypad
    17
  - Liquid Crystal Display
    17
  - Menu System
    17
  - Default Display
    17
  - Accessing the Menu
    18
  - Menu Contents
    18
  - Menu Columns
    19
  - System Data
    19
  - Status
    22
  - Measure
    22
  - Logic 1
    23
  - Control 1
    23
    
    Control 2
    24
  - Logic 2
    25
  - Input Masks
    26
  - Relay Masks
    26
  - Changing Text and Settings
    27
  - Quick Guide to Menu Controls
    27
  - To Enter Setting Mode
    28
  - To Escape from the Setting Mode
    28
  - To Accept the New Setting
    28
  - Password Protection
    29
  - Entering Passwords
    29
  - Changing Passwords
    29
  - Restoration of Password Protection
    30
  - Entering Text
    30
  - Changing Function Links
    30
  - Changing Setting Values
    30
  - Setting Communication Address
    30
  - Setting Input Masks
    31
  - Setting Output Masks
    31
  - Resetting Values
    31
  - Resetting CONTROL LED Indication
    31
  - External Connections
    31
  - Auxiliary Supply
    32
  - Logic Control Inputs
    33
  - Analogue Inputs
    34
  - Output Relays
    34
  - Setting the Relay with a PC or Laptop
    34
  - Alarm Flags
    35
- 4 Application of Control Functions
  
  36
  - Configuring the Relay
    36
  - Changing the Configuration of the Relay
    36
  - System Data (Sd)
    36
  - Logic Links (LOG)
    37
  - Control Links (CTL)
    38
  - Default Output Relays
    38
  - Setting Group Selection
    38
  - Applications
    39
  - Introduction
    39
  - Basic Requirements
    39
  - Operating Time Delay
    39
  - Initial Delay (Tinit)
    40
  - Definite/Inverse Time Characteristics
    40
  - Intertap Delay
    41
  - Tap Pulse Duration (Tpulse)
    41
  - Operating Sequences
    41
  - Method 1
    41
  - Method
    42
  - Line Drop Compensation
    42
  - Auto, Manual and Remote Operation Modes
    43
  - Remote Change of Operating Mode
    44
  - Manual Change of Operating Mode Via Logic Input
    44
  - Paralleled Transformers
    44
  - Master-Follower Schemes
    45
  - Instability of Individually Controlled Parallel Transformers
    46
  - Runaway
    46
  - Effect of Circulating Current on LDC
    47
  - Negative Reactance Compounding
    49
  - Circulating Current Control
    52
  - Independent/Parallel Control
    53
  - Circulating Current Control with LDC
    54
  - Supervision Functions of a VRR
    60
  - Runaway Protection
    60
  - Undervoltage Detection (V<)
    60
  - Undervoltage Blocking (V<<)
    61
  - Overvoltage Detection (V>)
    61
  - Overcurrent Detection
    61
  - L >)
    61
  - Undercurrent Detection
    61
  - Circulating Current Detection (IC>)
    61
  - Reverse Current Detection (I Rev)
    61
  - Tap Position Indication
    61
  - Tap Changer Maintenance
    65
  - Tap Change Operations Counter
    65
  - Frequent Operations Monitor
    65
  - Tap Changer Failure Detection
    66
  - Load Shedding/Boosting
    66
- 5 Relay Settings
  
  67
  - Setting Voltage (Vs)
    68
  - Deadband (Dvs)
    68
  - Initial Time Delay Setting (Tinit)
    68
  - Inter-Tap Delay (Tinter)
    68
  - Tap Pulse Duration (Tpulse)
    69
  - Line Drop Compensation (Vr and Vxl)
    69
  - Circulating Current Compensation (VC)
    69
  - Load Shedding/Boosting
    70
  - Undervoltage Detector (V<)
    70
  - Overvoltage Detector (V>)
    70
  - Under/Over Voltage Detector Alarm Delay Timer (Tv)
    70
  - Undervoltage Blocking (V<<)
    70
  - Circulating Current Detector (IC>)
    70
  - Overcurrent Detector (IL>)
    70
  - Undercurrent Detector (IL<)
    70
  - Total Number of Tap Change (Totalops)
    70
  - Total Taps Available (Tpavail)
    71
  - Tap Fail Time Delay (Tfail)
    71
  - Frequent Operations (Ops/Tp>)(Tp)
    71
  - Power Factor
    71
  - Tap Change Indication Time (Ttap Change)
    71
  - Setting Group Selection
    71
  - Remote Change of Setting Group
    71
  - Manual Change of Setting Group
    71
  - Controlled Change of Setting Group
    72
  - Initial Factory Settings
    72
  - System Data Settings
    72
  - Link Settings
    72
  - Initial Control Settings
    72
  - Initial Logic Settings
    73
  - Preferred Use of Logic Inputs
    73
  - Preferred Use of Output Relays
    73
- 6 Measurement, Records and Alarms
  
  75
  - Measurement
    75
  - Currents
    75
  - Voltages
    75
  - Frequency
    75
  - Power Factor
    75
  - Tap Position
    76
  - Tap Changer Operations Counter
    76
  - Frequent Operations Monitor
    76
  - Time Remaining to Next Tap
    76
  - Event Records
    76
  - Triggering Event Records
    77
  - Time Tagging of Event Records
    77
  - Accessing and Resetting Event Records
    77
  - Recorded Times
    77
  - Alarm Records
    77
  - Watchdog
    77
  - Alarm Indication
    78
  - Blocked Indication
    78
  - Functional Alarms
    78
  - Raise/Lower Volts Indication
    78
  - Undervoltage Blocking (V<<)
    78
  - Undervoltage Detection (V<)
    78
  - Overvoltage Detection (V>)
    79
  - Circulating Current Detection (IC>)
    79
  - Overcurrent Detection (IL>)
    79
  - Undercurrent Detection (IL<)
    79
  - Reverse Current Blocking (Irev)
    79
  - Run-Away
    79
  - Tap Position Indication
    80
  - Tap Change Operations Counter
    80
  - Frequent Operations Monitor
    80
  - Tap Changer Failure Mechanism
    80
- 7 Control Functions and Serial Communications
  
  81
  - Courier Language Protocol
    81
  - K-Bus
    81
  - K-Bus Transmission Layer
    81
  - K-Bus Connections
    82
  - Ancillary Equipment
    83
  - Software Support
    83
  - Courier Access
    83
  - Pas&T
    83
  - Couriercom
    83
  - PC Requirements
    84
  - Modem Requirements
    84
  - Data for System Integration
    85
  - Relay Address
    85
  - Measured Values
    85
  - Status Word
    85
  - Plant Status Word
    85
  - Control Status Word
    86
  - Logic Input Status Word
    86
  - Output Relay Status Word
    86
  - Alarm Indications
    86
  - Event Records
    86
  - Notes on Recorded Times
    86
  - Setting Control
    87
  - Remote Setting Change
    87
  - Remote Control of Setting Group
    87
  - Loadshedding/Boosting Control
    87
  - Remote Control of Loadshedding/Boosting
    87
  - Local Control of Loadshedding/Boosting
    88
- 8 Technical Data
  
  89
  - Auxiliary Voltage
    90
  - Definite Time Delay
    91
  - Directional
    92
  - Opto-Isolated Inputs
    93
  - Current Transformer Requirements
    94
  - Mechanical Environment
    95
  - Vibration IEC 60255-21-1:1988
    95
  - Shock and Bump IEC 60255-21 2:1988
    95
  - Seismic IEC 60255-21-3:1993
    95
  - Mechanical Durability
    95
  - Conducted Immunity ENV50141:1993
    95
  - Model Numbers
    96
  - Frequency Response
    96
  - Commissioning Preliminaries
    98
  - Quick Guide to Local Menu Control
    98
  - Terminal Allocation
    98
  - Electrostatic Discharge (ESD)
    98
  - Inspection
    98
  - Earthing
    98
  - Main Current Transformers
    98
- Commissioning, Problem Solving and Maintenance
  
  98
  - Test Block
    99
  - Insulation
    99
  - Commissioning Test Notes
    99
  - Equipment Required
    99
  - Auxiliary Supply Tests
    100
  - Auxiliary Supply
    100
  - Energisation from Auxiliary Voltage Supply
    100
  - Field Voltage
    100
  - Settings
    100
Selective Logic Functions to be Tested/Measurement Checks

101
- Current Measurement
  101
- Measurement Checks
  101
- Selective Logic Functions to be Tested
  101
- Voltage Measurement
  101
- Control Functions
  102
- Load Shedding/Boosting
  102
  - Regulated Voltage Setting V
    102
  - And Dead Band Setting DV
    102
- Regulated Voltage Setting V S and Dead Band DV S
  102
- Definite Time Delay
  103
- Initial Time Delay
  103
- Integrated Timer
  103
- Inverse Time Delay
  104
- Inter-Tap Delay
  105
- Line Drop Compensation
  105
- Resistive Load Current Compensation (Vr)
  105
- Reactive Load Current Compensation (VX)
  106
- Circulating Current Compensation (VC)
  107
- Negative Compensation
  107
- Positive Compensation
  107
- Negative Reactance Control (Alternative Method to Circulating Current Compensation)
  108
- Overvoltage Detector (V>)
  109
  - Over Voltage Detector (V>)
    109
- Supervision and Monitoring
  109
- Undervoltage Detector (V<)
  109
  - Under Voltage Detector (V<)
    109
- Overcurrent Detector (IL)
  110
  - Load Current Detector
    110
- Circulating Current Detector (I C )
  111
  - Circulating Current Detector ( I C )
    111
- Undervoltage Blocking (V<<)
  111
  - Under Voltage Blocking (V<<)
    111
- Runaway Protection
  112
- Load Check
  114
- Control Links
  115
- Logic Links
  115
- Password Lost or Not Accepted
  115
- Problem Solving
  115
- Software Link Settings
  115
- System Links
  115
- Alarms
  116
- Second Setting Group Not Displayed or Working
  116
- Setting Error Alarm
  116
- Software Links Cannot be Changed
  116
- Unconfigured or Uncalibrated Alarm
  116
- Watchdog Alarm
  116
- Communications
  117
- Measured Values Do Not Change
  117
- No Fourier" Alarm
  117
- No Samples" Alarm
  117
- No Service" Alarm
  117
- Problems with Event Records
  117
- Records
  117
- Maintenance
  118
- Measurement Accuracy
  118
- No Response to Remote Control Commands
  118
- Output Relays Remain Picked-Up
  118
- Relay no Longer Responding
  118
- Additional Tests
  119
- Alarms
  119
- Earthing
  119
- Local Testing
  119
- Main Current Transformers
  119
- Measurement Accuracy
  119
- Preliminary Checks
  119
- Remote Testing
  119
- Method of Repair
  120
- Replacing a Pcb
  120
- Replacing Output Relays and Opto-Isolators
  120
- Recalibration
  121
- Replacing the Back Plane
  121
- Replacing the Power Supply Board
  121

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