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Treetech PI manual available for free PDF download: Technical Manual
Treetech PI Technical Manual (48 pages)
TAP POSITION INDICATOR AND CONTROLLER FOR TRANSFORMERS WITH ON-LOAD TAP CHANGER
Brand:
Treetech
| Category:
Controller
| Size: 0 MB
Table of Contents
Index
1
Security
2
Index of Subjects
3
Index of Pictures
3
Section I - Operation Philosophy
3
Introduction
4
Basic Operation Philosophy
4
Tap Position Indicator and Controller PI
4
Manual/Automatic Command Modes
5
Local/Remote Command Modes
5
Section II - Operation
6
Local Operation of PI
7
Primary Indications in the Display
7
Indication of the Tap Changer Current Position
7
Local/Remote and Manual/Automatic Selections
8
Indication During a Change of a Position in Progress
8
Indication During an Error Condition Occurrence
8
Raise/Lower Tap Manual Command
10
Error Conditions Alarms
10
Tap Position Reading Error
11
System Operation During Errors Presence
12
E08 – Tap Reading Error
12
Section III - Project and Installation
13
Topology for PI Application
15
PI Front Panel
16
Inputs and Outputs
17
Auxiliary Power and Ground
17
Tap Changer Position Measurement
17
Connection Cables for Tap Measurement
17
Shield Connection of Tap Measurement Cable
18
Requirements for the Tap Position Transmitter
19
Analog Output of Tap Changer Position
20
Configuration of Potentiometric Transmitter Resistors
20
Raise/Lower Tap Output Contacts
21
Contact Inputs for Remote Programming/Command
22
Local/Remote Programming
23
Manual/Automatic Programming Input
23
Raise/Lower Tap Command Inputs
24
Remote Programming Manual/Automatic
24
Output Relays for Signaling
25
Connection of External Command Contacts Raise/Lower
25
PI Signaling Contacts
25
Connection Diagrams
26
Serial Communication RS485
26
Mechanical Installation
27
PI Outline Dimensions
27
Section IV - Start-Up
28
Proceeding to Start the Operation
29
Parametering
30
Parameter ADR
31
Parameter TAP
31
Parameter IDC
32
Parameter CNT
33
Parameter RES
33
Parameter CMT
34
Individual Resistors of OLTC Potentiometric Position Transmitter
34
Parameter OCS
35
Section V - Troubleshooting
36
Manual/Automatic Selection
37
Raise/Lower Tap Commands
37
Local and Remote Tap Position Indications
38
Error Indication E08 – Tap Position Reading Error
39
Section VI - Appendix
41
Appendix A - Technical Data
42
Appendix B -Type Tests
43
Appendix C - Specification for Order
44
General Information
45
Appendix D - Optional Accessories
45
Appendix E - Registers Map
45
Read and Write Registers
46
Read Only Registers
47
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