Medium Voltage Application Guide

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SOFT STARTERS AuCom multi-motor starting solution AuCom offers a proprietary solution that allows a single MVS or MVX soft starter to individually control up to 8 medium voltage motors. Each switchgear arrangement consists of a soft starter panel and a multi-start panel for each motor. Depending on the system, a transition panel may be required and a main incomer panel is optional. The entire system is controlled using a PLC mounted in the transition or incomer panel. The proprietary PLC logic program provides the end user with flexible motor control options, selected via a touch-screen. Typical arrangement of an MVS multi-start system for 2 motors. Key features User interface touch screen Selectable control options for individual motors Selectable command source options for individual motors Motor protection for individual motors Robust safety interlocking system Comprehensive panel indication and bus mimicking Page 64 Medium Voltage Application Guide 710-12280-00A
13867.A 13868.A 13870.A 13869.A SOFT STARTERS User interface touch-screen The screen provides the user with direct access to all control options. PW_1 screen selects between contactor or circuit breaker control of individual switchgear PW_2 screen selects between soft stop or coast to stop for individual motors B = Breaker C = Contactor C B Line Contactor SOFT STOP STOP C M-1 M-2 M-3 M-4 B C B C B C B Motor Contactor M-1 M-2 M-3 M-4 OFF OFF OFF OFF C B C B C B C B M-5 M-6 M-7 M-8 Motor Bypass OFF OFF OFF OFF MIMIC screens emulate switchgear, soft starter and motor status M-1 to M-8 screens select the command source for motor starting and stopping, and select between DOL or soft start for each motor (separate screen per motor) From MC3 From MC2 From MC1 Line 6 kV M1_START/STOP ENABLE BP3 BP2 BP1 OFF OFF START ENABLE Q3 Q2 Q1 LOCAL OFF REMOTE OFF STOP ENABLE DOL SOFT START M3 M3 FAULT M2 M2 FAULT M1 M1 FAULT 710-12280-00A Medium Voltage Application Guide Page 65
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Medium Voltage Application Guide
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CONTENTS 4 Switchgear .............
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INTRODUCTION 1 Introduction This re
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03340.B Current Torque MOTORS magne
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Torque Current MOTORS Typical start
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03340.B Current Torque MOTORS 2.2 M
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13190.A Current Torque 13193.A Curr
Page 16 and 17: MOTORS How does soft start compare
Page 18 and 19: MOTORS Soft starters Electronic sof
Page 20 and 21: MOTORS Bypassed VFD installation 1
Page 22 and 23: 13473.A SOFT STARTERS Open loop sof
Page 24 and 25: SOFT STARTERS 3.2 Benefits Electric
Page 26 and 27: 13490.A 13489.A SOFT STARTERS Snubb
Page 28 and 29: SOFT STARTERS Enclosed soft starter
Page 30 and 31: 12996.A SOFT STARTERS Local control
Page 32 and 33: SOFT STARTERS Key Features MVS soft
Page 34 and 35: SOFT STARTERS Vibration ...........
Page 36 and 37: SOFT STARTERS MVX Soft Starter Over
Page 38 and 39: SOFT STARTERS General Technical Dat
Page 40 and 41: 11083.B 11082.B SOFT STARTERS Power
Page 42 and 43: 13015.A 13013.A SOFT STARTERS Soft
Page 44 and 45: SOFT STARTERS Predictive Maintenanc
Page 46 and 47: SOFT STARTERS Medium voltage starte
Page 48 and 49: STAR T STO P RESET INPU TA INPU T B
Page 50 and 51: Ready R un Trip Local 11081.C SOFT
Page 52 and 53: 13522.A 13521.A 13513.A SOFT STARTE
Page 54 and 55: 09593.A Current SOFT STARTERS AC53
Page 56 and 57: 09678.B Current Torque (% motor ful
Page 58 and 59: 13634.A 13633.A Current (%FLC) Torq
Page 60 and 61: SOFT STARTERS Example Calculate the
Page 62 and 63: SOFT STARTERS Operating Sequence NO
Page 64 and 65: 13530.A SOFT STARTERS Typical multi
Page 68 and 69: 13531.A SOFT STARTERS Slip ring mot
Page 70 and 71: SOFT STARTERS 3.8 Common standards
Page 72 and 73: 11158.A SWITCHGEAR 4.1 Switchgear C
Page 74 and 75: SWITCHGEAR ANSI-defined switchgear
Page 76 and 77: 11165.A 11163.A SWITCHGEAR 4.2 Stan
Page 78 and 79: 11169.A 11166.A SWITCHGEAR Bus Coup
Page 80 and 81: 11174.A 11173.A SWITCHGEAR Metering
Page 82 and 83: SWITCHGEAR Design Busbar system des
Page 84 and 85: SWITCHGEAR Resonant frequency The b
Page 86 and 87: SWITCHGEAR Interlock scheme 1: Two
Page 88 and 89: SWITCHGEAR Causes of internal arc T
Page 90 and 91: 13716.A Current 13680.A SWITCHGEAR
Page 92 and 93: 11163.A SWITCHGEAR When a withdrawa
Page 94 and 95: 13720.A Percentage DC component SWI
Page 96 and 97: 13722.A Voltage SWITCHGEAR Transien
Page 98 and 99: 13681.A SWITCHGEAR Medium Voltage C
Page 100 and 101: 13684.A Maximum cut-off current (kA
Page 102 and 103: 13688.A 13689.A 13691.A 13690.A 136
Page 104 and 105: SWITCHGEAR IEC Ratings Disconnector
Page 106 and 107: Pre-arcing time (seconds or minutes
Page 108 and 109: SWITCHGEAR Nominal current, In (A)
Page 110 and 111: 13745.A Fuse rating (A) 13697.A Fus
Page 112 and 113: SWITCHGEAR Current Transformers A c
Page 114 and 115: Flux () SWITCHGEAR Exercises 1. A C
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SWITCHGEAR Class type Use a meterin
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SWITCHGEAR Exercise 2: Protection C
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SWITCHGEAR NEMA/IEEE Ratings These
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13752.A SWITCHGEAR flux). The secon
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13761.A 13760.A 13758.A 13759.A SWI
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13754.A SWITCHGEAR Distance This pr
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Incomer feeder panel Transformer Mo
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SWITCHGEAR Many manufacturers use a
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13766.A SWITCHGEAR Motor Line Induc
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Magnitude of overvoltage /p.u. Line
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SWITCHGEAR Exercise A 17.5 kV secon
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13807.A 13808.A SWITCHGEAR Power Fa
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SWITCHGEAR Exercise Calculate the t
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13812.A SWITCHGEAR Calculations: pe
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SWITCHGEAR Step 3: Calculate the eq
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13847.A SWITCHGEAR The calculated s
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SWITCHGEAR Transformer internal imp
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SWITCHGEAR Exercise For a motor run
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SWITCHGEAR The total coefficient fa
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SWITCHGEAR Short-time withstand cur
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14009.A SWITCHGEAR Mechanical stren
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SWITCHGEAR Resonant frequency The b
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Current 13850.A SWITCHGEAR Synchron
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13854.A 13852.A 13853.A SWITCHGEAR
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SWITCHGEAR 4.6 Switchgear Inspectio
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SWITCHGEAR Commissioning Tools and
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SWITCHGEAR 62271-302 High voltage s
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13856.A 13855.A SWITCHGEAR 4.9 IEC
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SWITCHGEAR 4.10 Protection index IP
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SCHEMATIC DIAGRAMS 5 Schematic Diag
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14043.A 14042.A SCHEMATIC DIAGRAMS
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14046.A 14045.A SCHEMATIC DIAGRAMS
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14049.A SCHEMATIC DIAGRAMS 5.5 MVS
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14051.A SCHEMATIC DIAGRAMS 5.6 MVX
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RESOURCES 6 Resources 6.1 Equipment
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CONTENTS Contents Introduction ....
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2. ENVIRONMENTAL SPECIFICATIONS Env
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LOGIC CONTROL CONFIGURATION 3.2 Ope
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LOGIC CONTROL CONFIGURATION 3.6 Met
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SPECIFICATION: MVX Solid State Redu
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1. 1. INTRODUCTION Introduction 1.1
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ENVIRONMENTAL SPECIFICATIONS The eq
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LOGIC CONTROL CONFIGURATION 3.2 Ope
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LOGIC CONTROL CONFIGURATION 3.6 Met
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SPECIFICATION: Power factor Correct
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1 INTRODUCTION Introduction 1.1 Sco
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3 SUPPORT AND SERVICES Support and
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CONTENTS Contents Introduction ....
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2. DOCUMENTATION Documentation 2.1
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3.2.2 MV Equipment a) Circuit break
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ELECTRICAL SUPPLY 9. Circuit breake
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RESOURCES 6.2 Metric/Imperial Conve
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RESOURCES 6.4 Incoterms Internation
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RESOURCES kW Active power unit LRC
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