Circutor Computer SMART III 14 - Contents; Table of Contents

CONTENTS
SAFETY PRECAUTIONS .........................................................................................................................................................3
DISCLAIMER ..........................................................................................................................................................................3
CONTENTS ............................................................................................................................................................................. 4
REVISION LOG .......................................................................................................................................................................6
SYMBOLS ...............................................................................................................................................................................6
1. VERIFICATION UPON RECEPTION ....................................................................................................................................7
2. PRODUCT DESCRIPTION .................................................................................................................................................7
3. DEVICE INSTALLATION ....................................................................................................................................................9
3.1.- PRIOR RECOMMENDATIONS ....................................................................................................................................9
3.2.- RECOMMENDATIONS FOR USING THE COMPUTER SMART III REGULATOR IN MEDIUM-VOLTAGE AUTOMATIC
CAPACITOR BANKS ............................................................................................................................................................9
3.3.- INSTALLATION ....................................................................................................................................................... 10
3.4.- DEVICE TERMINALS ............................................................................................................................................... 12
3.5.- CONNECTION DIAGRAM ......................................................................................................................................... 13
3.5.1.- 3 VOLTAGES + NEUTRAL AND 3 CURRENTS, COMPUTER SMART III 6 MODEL ............................................. 13
3.5.2. 3 VOLTAGES + NEUTRAL AND 3 CURRENTS, COMPUTER SMART III 12 MODEL ........................................... 14
3.5.3. 3 VOLTAGES + NEUTRAL AND 3 CURRENTS, COMPUTER SMART III 14 MODEL ...........................................15
3.5.4. 3 VOLTAGES + NEUTRAL AND 1 CURRENT, COMPUTER SMART III 6 MODEL ............................................... 16
3.5.5. 3 VOLTAGES + NEUTRAL AND 1 CURRENT, COMPUTER SMART III 12 MODEL .............................................. 17
3.5.6. 3 VOLTAGES + NEUTRAL AND 1 CURRENT, COMPUTER SMART III 14 MODEL ..............................................18
3.5.7. 2 VOLTAGES AND 1 CURRENT, COMPUTER SMART III 6 MODEL .................................................................... 19
3.5.8. 2 VOLTAGES AND 1 CURRENT, COMPUTER SMART III 12 MODEL ................................................................. 20
3.5.9. 2 VOLTAGES AND 1 CURRENT, COMPUTER SMART III 14 MODEL .................................................................. 21
3.5.10. LEAKAGE CURRENT CONNECTION, I ..........................................................................................................22
3.6.- STARTING UP THE DEVICE ....................................................................................................................................23
4. OPERATION ................................................................................................................................................................... 24
4.1.- DEFINITIONS ..........................................................................................................................................................25
4.1.1. FOURQUADRANT REGULATOR ........................................................................................................................25
4.1.2. STAGES AND STEPS ..........................................................................................................................................25
4.1.3. FCP SYSTEM FAST COMPUTERIZED PROGRAM ............................................................................................25
4.1.4. REGULATION PROGRAM ...................................................................................................................................25
4.1.5. PLUG AND PLAY ................................................................................................................................................26
4.1.6. CONNECTION TIME TON AND RECLOSING TIME TREC ................................................................................26
4.1.7. THD AND HARMONICS .......................................................................................................................................26
4.2.- MEASUREMENT PARAMETERS ..............................................................................................................................27
4.2.1. Connection type: 3U.3C ....................................................................................................................................27
4.2.2. Connection type: 3U.1C ...................................................................................................................................28
4.2.3. Connection type: 2U.1C ...................................................................................................................................29
4.3.- KEYBOARD FUNCTIONS ........................................................................................................................................ 30
4.4.- DISPLAY .................................................................................................................................................................32
4.4.1. STATUS OF THE CAPACITORS ............................................................................................................................33
4.4.2. STATUS OF THE DEVICE ....................................................................................................................................33
4.4.3. ANALOGUE BAR ................................................................................................................................................34
4.4.4. OTHER SYMBOLS OF THE DISPLAY ...................................................................................................................34
4.5.- LED INDICATORS ....................................................................................................................................................35
4.6.- OPERATING STATES ...............................................................................................................................................36
4.6.1. MEASUREMENT STATUS ...................................................................................................................................36
4.6.2. TEST STATUS ....................................................................................................................................................55
4.7.- INPUTS .................................................................................................................................................................. 58
4.8.- OUTPUTS .............................................................................................................................................................. 58
4.9.- COMMUNICATIONS ................................................................................................................................................59
4.9.1. CONNECTIONS ...................................................................................................................................................59
4.9.2. PROTOCOL ....................................................................................................................................................... 60
4.9.3. MODBUS MEMORY MAP ................................................................................................................................... 61
4.9.4. EXAMPLE OF A MODBUS QUERY ......................................................................................................................70
5. CONFIGURATION ........................................................................................................................................................... 71
5.1.- PLUG&PLAY ...........................................................................................................................................................72
5.2.- CURRENT TRANSFORMATION RATIO .....................................................................................................................75
5.3.- TARGET COS φ ....................................................................................................................................................... 76
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Computer SMART III
Instruction Manual