ABBACUSMetal Enclosed Capacitor Bank

ABBACUS Metal Enclosed Capacitor Bank | Contents i

Table of Contents1 Introduction ..................................................................................................................................................................... 1

2 Features and Benefits ...................................................................................................................................................... 2

3 Power Factor ................................................................................................................................................................... 3

3.1 Why improve power factor? .............................................................................................................................. 3

3.2 How do you improve power factor? .................................................................................................................. 3

3.3 Capacitors for power factor correction .............................................................................................................. 3

3.4 Harmonics ....................................................................................................................................................... 4

3.5 Resonance ...................................................................................................................................................... 4

4 Product Modularity ........................................................................................................................................................... 5

4.1 Single Line Diagram ......................................................................................................................................... 5

4.2 Incomer Module ............................................................................................................................................... 5

4.2.1 Control Cubicle ....................................................................................................................................... 5

4.2.2 High Voltage Section ............................................................................................................................... 5

4.3 Power Module ................................................................................................................................................. 6

5 Key Components .............................................................................................................................................................. 75.1 The ABBACUS Enclosure ................................................................................................................................. 7

5.1.1 General .................................................................................................................................................. 7

Design

Safety

Handling

5.1.2 Internal Environment ................................................................................................................................ 8

Ventilation

Anti-condensation heater

5.1.3 Safety Interlocking ................................................................................................................................... 8

5.1.4 Busbars .................................................................................................................................................. 8

5.2 Incomer Module ............................................................................................................................................... 9

5.2.1 High Voltage Section ............................................................................................................................... 9

ABB Isolator/Earth Switch

ABB Circuit Breaker

ABB Surge Arresters

ABB Voltage Transformers

(Protection and/or control)

ABB Current Transformers (Protection)

Live Line Indication

Door Micro Switches

5.2.2 Control Cubicle ..................................................................................................................................... 10

ABB Power Factor Controller

ABB Protection Relays

5.3 Power Module ............................................................................................................................................... 11

5.3.1 ABB Capacitors ..................................................................................................................................... 11

ABB Single-Phase Capacitors

ABB Three-Phase Capacitors

ABB Split-Phase Capacitors

ABB Pressure Switches

5.3.2 ABB Reactors ....................................................................................................................................... 12

Inrush Reactors

Detuning Reactors

5.3.3 ABB Contactors and Switches ............................................................................................................... 12

5.3.4 ABB Protection ..................................................................................................................................... 13

ABB HRC Fuses

Fuse Failure Indication

ABB Current Transformers (Unbalance Protection)

ABB Voltage Transformers (Rapid Discharge)

6 ABBACUS Selection Configuration .................................................................................................................................. 14

6.1 ABBACUS Selection Tree ............................................................................................................................... 14

6.2 ABBACUS Model Number Code ..................................................................................................................... 15

6.3 ABBACUS MECB Guide ................................................................................................................................. 16

6.4 Maximum Power Module Capacity .................................................................................................................. 18

6.4.1 Maximum Power Module Capacity 12 kV .............................................................................................. 18

6.4.2 Maximum Power Module Capacity >12 kV 17.5 kV ............................................................................... 19

6.4.3 Maximum Power Module Capacity >17.5 kV 24 kV ............................................................................... 19

7 ABBACUS General Arrangement ..................................................................................................................................... 20

7.1 Mild Steel (Indoor Only) ABBACUS .................................................................................................................. 21

7.1.1 Assembly Configuration 12 kV ............................................................................................................ 217.1.2 Power Modules 12 kV ........................................................................................................................ 21

7.2 Aluminium (Indoor/Outdoor) ABBACUS ........................................................................................................... 22

7.2.1 Assembly Configuration ......................................................................................................................... 22

7.2.1.1 Assembly Configuration 12 kV .................................................................................................... 227.2.1.2 Assembly Configuration >12 kV 17.5 kV ..................................................................................... 23

7.2.1.3 Assembly Configuration >17.5 kV 24 kV ..................................................................................... 24

7.2.2 Incomer Modules ................................................................................................................................... 25

7.2.2.1 Incomer Module 12 kV ............................................................................................................... 257.2.2.2 Incomer Module >12 kV 24 kV ................................................................................................... 25

7.2.3 Power Modules ..................................................................................................................................... 26

7.2.3.1 Power Modules 12 kV ............................................................................................................... 267.2.3.2 Power Modules >12 kV 17.5 kV ................................................................................................. 27

7.2.3.3 Power Modules >17.5 kV 24 kV ................................................................................................. 28

8 Technical Specifications .................................................................................................................................................. 29

ii Contents | ABBACUS Metal Enclosed Capacitor Bank

ABBACUS Metal Enclosed Capacitor Bank | Introduction 01

1. Introduction

ABBACUS Metal EnclosedCapacitor Bank

ABB is the worlds leading capacitor manufacturer.This competence has led to a fully integrated ABB solutionknown as ABBACUS, for reactive compensation in mediumvoltage networks.

The ABBACUS combines primary components, and sec-ondary control and protection, within a compact modular enclosure. The system ca