CIBANO_500

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Circuit Breaker Testing

> Tests on Circuit Breakers

> Testing with CIBANO 500

Page 1© OMICRON

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Page 2© OMICRON

CIRCUITBREAKER

Is it a

smartdevice?

Has it

a brain?

Might itthink?

Might itsee?

Might it

act?

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Analogies

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Analogies

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Analogies

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Analogies

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Analogies

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Analogies

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Analogies

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1. Static resistance or contact resistance test (µOhm)

2. Timing of main and auxiliary contactsa. different sequences (O, C, O-C, CO, O-CO, CO-CO, OCOCO,...)

b. undervoltage test

c. coil currents

3. Minimum pick-up test

4. Motor current

5. Contact travel (motion) of main contacts

6. Dynamic contact Resistance (DRM)

7. ...

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Typical Tests on circuit breakers (list not complete)

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What is needed to Test Breakers

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Timing

Analyzer

µΩ - Meter CB Supply

> Rewiring for each test

> Individual µΩ-Measurement for each

interrupter

> Collect data for test report

(existing solutions)

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1. Static Contact Resistance Test

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Conventional Setup

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Conventional Setup

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Conventional Setup

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Conventional Setup

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Conventional Setup...Does it mean?

Heavy Cables?

Huge effort?

Time comsumption?

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Conventional Setup...Would you like to imagine how much time do you need to

measure the contact resistance for this circuit breaker?

...Don‘t forget that is necessary to run other

tests as well!

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2. Timing Test

> Connect to all main contacts> Connect to trip & close coil

Page: 188/2/2013

Conventional Setup

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2. Timing Test

> Connect to all main contacts> Connect to trip & close coil

Page: 198/2/2013

Conventional Setup

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2. Timing Test

> Connect to all main contacts

> Connect to trip & close coil

Page: 208/2/2013

Conventional Setup

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2. Timing Test



Page: 218/2/2013

Time-consuming and error-proneConventional Setup

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2. Timing Test



Page: 228/2/2013

Conventional Setup

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2. Timing Test



Page: 238/2/2013

Conventional Setup

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2. Timing Test



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Conventional Setup

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2. Timing Test



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Conventional Setup

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2a. Timing Test - Measured Values

© OMICRON

Open Time, Close Time, Contact Spread, Phase Spread, Trip-Free Time, Reclose Time

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© OMICRON


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© OMICRON


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© OMICRON


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Page: 308/2/2013

Conventional Setup

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Page: 318/2/2013

Conventional Setup

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2b. Coil Current

Important tool in Circuit Breaker analysis Detect potential problems in actuating coils

Reveal information on power supply

Comparison is best method of analysis

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2b. Coil Current




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2b. Coil Current




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3. Minimum Pick-up Test

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4. Dynamic Resistance Measurements (Conventional Setup)

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4. Dynamic Resistance Measurements (Conventional Setup)

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5. Contact Travel

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Live Tank Circuit Breaker Functional Breaker Model

0

50

100

150

200

250

300

350

0 100 200

T r a v e l [ m m ]

Time [ms]

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Circuit Breaker Testing

> Tests on Circuit Breakers

> Testing with CIBANO 500

Page 39© OMICRON

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CIBANO 500 – 3-in-1 Test System

> Timing analyzer> checks the mechanical performance

> detects problems during coil actuation

> reveals defects of the trip or close coils

> Micro-ohm meter> assess the condition of the main and arcing

contacts and resistor switches

> Powerful coil and motor supply> applies a stable DC voltage level to the

breaker, even if a station battrey is not

available

Page 40© OMICRON

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CIBANO 500 – one system for all types of breakers

> Medium-voltage circuit breakers

Page 41© OMICRON

> High-voltage circuit breakers (Live Tank)

> High-voltage circuit breakers (Dead Tank)

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Use CIBANO 500 for 5 standard tests

1. Static contact resistance test (micro-ohm measurement)

2. Minimum pick-up test

3. Timing tests> Possible operations: O, C, CO, O-C, O-CO, CO-CO, O-CO-CO

4. Coil/motor current analysis

5. Undervoltage condition test

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Conventional Setup Circuit Breaker Testing

> Rewiring between micro-

ohm measurement and

timing tests

> Lots of cables

> Time-consuming and

error-prone

Page: 438/2/2013

Mirco-ohm measurement

Timing Tests

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CIBANO 500 Concept

Page: 448/2/2013

Ground

Both Sides

Connect to

all maincontacts

Connect to

trip & Closecoils

Perform

withoutdisconnect

Static Resistance

Operating Times

Dynamic ResistanceMeasurements

Minimup Pickup

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Page 45© OMICRON

CIBANO 500 Concept

GroundBoth Sides

Connect to

all maincontacts

Connect to

trip & Closecoils

Perform

withoutdisconnect

Static Resistance

Operating Times

Dynamic ResistanceMeasurements

Minimup Pickup

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Unique connection concept

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CIBANO 500 CB TN3

CB MC2

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Modular concept for simplified testing –

Main Contact Module CB MC2

> 2 high-current outputs and 2 sensitive voltage

measurement channels

> Keeps high-current cables as short as possible> minimizing the weight of the necessary cables

> A digitized measuring signal is produced directly at the

interrupter keeping analog cables as short as possible> very low noise interference

> Only one connection cable to the main unit> fast set-up and reduced risk of wiring errors

> Accessory for dynamic contact resistance test (DRM)

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Transducer Node CB TN3

> Accessory for motion/contact travel test

> 3 analog and digital channels for data

acquisition of linear or rotational motion

sensors> Interference-free digital transmission of

results via one cable

> Connectable to most linear or rotational

motion sensors

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Powerful software support

> Primary Test Manager software supports all tests

> one combined test report for all tests

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Get instant “pass/fail” assessments of the results

Coils and motor can be supplied via

CIBANO 500 or via the station battery

Flexible settings for

different sample rates

Graphical overview makes iteasy to set the right timing

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Binary traces in the graphical view allow a quick overview.

Cursors allow detailed

analysis of results

Coil and motor currents, voltages, or calculated resistancescan be shown in the timing diagram

DRM analyzes

the wear of the

arcing contact

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Benefits of CIBANO 500

> 3-in-1 system combines:

> micro-ohmmeter

> powerful AC/DC supply

> timing analyzer

> One system for medium- and high-voltage circuit breakers

> Low wiring effort (less risk on accidents / wiring errors)

> One combined report for all tests

> Light-weight test system for on-site testing (20 kg)> Both Sides Grounded

Page 54© OMICRON

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A OUTPUT/INPUT:

Voltage outputs or

Current outputs or

Voltage inputs or

Binary inputs

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EXTERNAL BOOSTER:

Current output or

Voltage output

B OUTPUT/INPUT:

Voltage outputs or

Current outputs or

Voltage inputs

V IN:

Voltage input

(station battery)

AUXILIARY INTERFACE:

Safety

Ethernet

Serial port

EXTERNAL MODULES:

EtherCAT with PoE+

CIBANO 500 Hardware Overview

WARNING LED:

LED flashing when >42V

between PE and one output

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Page 56© OMICRON

Analog outputs:

> 7 voltage outputs (maximum 3 simultaneously) or

> 7 current outputs (maximum 3 simultaneously)

> 1 external booster

Analog inputs:

> 4 sensitive voltage inputs

> 4 additional voltage inputs

> (3 internal current inputs)

Digital inputs:

> 3 binary inputs

> 1 Ethernet (PC connection)

> 4 EtherCAT interfaces with PoE+

> 2 safety ports

> 1 serial interface

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CB MC2 Hardware Overview

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Powered:

> PoE+

Output power source:

> 1 Super CAP

Analog outputs:

> 2 current outputs

Analog inputs:

> 2 voltage inputs

> (2 internal current inputs)Visualization LED:

> LED flashing on command

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CB TN3 Hardware Overview

Page 59© OMICRON

Powered:

> PoE+

Digital interface:

> 3 incremental transducers

Analog interface:> 3 current or voltage transducers

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Questions??

Documents

CIBANO_500