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Primary distribution circuit-breakerswith integrated protection, control and sensors

Rapid commissioning

Installation and commissioning is simpliied by a widely

conigurable protection and control unit. Thanks to this

innovative solution, the eVD4 can easily be integrated into theswitchgear.

 The RBX615 protection and control unit with native IEC 61850

communication protocol allows the circuit-breaker to be

interconnected to the substation management system without

additional interacing devices.

 The HMI and the substation management system allows

the user to easily adapt the protection and control logics,

provided in the preconigurations.

 The simplicity o the circuit-breaker allows optimisation o 

spare parts and speeding up o the maintenance operations.

Easy plant design

 The eVD4 circuit-breakers greatly simpliy the design o the

electrical system establishing the current, voltage and type

o application. The protection o the plant is achieved by the

RBX615 protection and control unit, with the current-voltage

sensors and with the ive standard preconigurations.

 The circuit-breaker itsel can be used in a wide range o 

applications. This means that the circuit-breaker can be

selected early in the production cycle, even though some

o the details o the switchgear design are not yet deined.

Further, the vast range o other available accessories allows

that most requirements are met. The eVD4 is suitable or most applications, namely the

protection o cables, overhead lines, transormers, motors, as

well as other substation applications.

Switchgear simplification

 The eVD4 medium voltage vacuum circuit-breakers satisy

most o the requirements o modern electrical installations.

 The built-in protection and control unit RBX615, together with

integrated current and voltage sensors, considerably simpliies

the switchgear cabling activities and drastically reduces the

risk o errors.

 This means less time required or engineering, cabling and or

the inal testing procedures (FAT – Factory Acceptance Test).

Operation o the circuit-breaker and protections is ensured

as all the components and protection and control unction

deault logics are actory-tested.

Combined current-voltage sensors

 The eVD4 circuit-breakers use only current as well combined

current and voltage sensors (Combisensor) which are able to

measure current and voltage in each phase.Coverage o the whole range o currents and voltages

is guaranteed with just two sizes o sensors up to the

maximum rated current and voltage o the circuit-breaker.

 The current is measured by a Rogowski coil: a uniorm

winding on a closed circular support with a constant cross-

section and without a erromagnetic core. The voltage

induced in the winding is directly proportional to the variation

in the let-through current.

 The current sensors are characterized by the absence o 

saturation and hysteresis phenomena and by measuring

precision or the ault currents up to the maximum setting

value or the protection thresholds. The voltage is measured by a capacitive divider: a cylindrical

metal electrode moulded in the sensor and acing the circuit-

breaker bushing. The output signal is a voltage d irectly

proportional to the primary voltage.

 The voltage sensors are characterized by the absence o 

erroresonance phenomena.

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2

1

3

15 1114 13 12 10 9

4

5

6

7

8

1 Opening

2 Closing

3 Application Function Keys

4 LED page key

5 Delete

6 Menu

7 Single Line diagram

8 Local/Remote

9 Confrm

10 Password

11 Right

12 Up

13 Down14 Let

15 Escape

Local Human Machine Interface

RBX615 protection and monitoring unit based on Relion® 

technology

 The RBX615 unit is dedicated to protect, control, measure

and supervise o utility substations and industrial electrical

systems.

 The unit is compliant with the IEC 61850 Standard and utilizes

native GOOSE (Generic Object Oriented Substation Event)

communication.

In the power distribution switchgear, units equipped with the

Relion® technology can communicate with each other.

 They can also communicate directly with the control system in

a substation control room through a network switch.

 The RBX615 unit oers protection o overhead lines, cables

lines and distribution substation systems. The protection

unctions suit radial distribution networks regardless o the

grounding principle.

Standard Pre-configurations

 The RBX615 protection and monitoring unit is available with

ive alternative pre-conigurations.

Description Configuration

Non-directional overcurrent protection and non-directional earth ault protection. Feeder 1 (F1)

Non-directional overcurrent protection and

directional earth ault protection based on

measurement o the phase voltage values.

Feeder 2 (F2)

Directional overcurrent protection, directional earth

ault protection based on measurement o the

phase voltage values and minimum and maximum

voltage protection.

Feeder 3 (F3)

Motor protection based on current measurement Motor 1 (M1)

Motor protection based on current and voltage

measurementsMotor 2 (M2)

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For more inormation please contact:

 ABB S.p.A.

Power Products Division

Unità Operativa Sace-MV

 Via Friuli, 4

I-24044 Dalmine

 Tel.: +39 035 6952 111

Fax: +39 035 6952 874

E-mail: ino.mv@it.abb.com

 ABB Oy

Distribution Automation

P.O. Box 699

FI-65101 VAASA, Finland

Phone +358 10 22 11

Fax +358 10 22 41094

www.abb.com/substationautomation

 ABB AG

Calor Emag Medium Voltage Products

Oberhausener Strasse 33 Petzower Strasse 8D-40472 Ratingen D-14542 Glindow

Phone: +49(0)2102/12-1230, Fax: +49(0)2102/12-1916

E-mail: calor.ino@de.abb.com

www.abb.com

 The data and illustrations are not binding. We reserve the right to make

changes without notice in the course o technical development o the

product.

© Copyright 2011 ABB.

 All rights reserved.

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