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Circuit Breaker Analyzer

Circuit Breaker Analyzer Circuit Breaker Analyzer
Product name´╝ÜCircuit Breaker Analyzer

I Description

This KC-6A analyzer is standalone, microprocessor-controlled, 6 dry contacts, fully analyzing extra high voltage circuit breaker’s performance by testing contact time, stroke, velocity and over-travel, etc.

II Test items

2.1 Routine tests: time, velocity and stroke

1) Time test

-- Closing/opening time

-- Simultaneity in-phase (time difference between contacts in same phase)

-- Simultaneity between-phase

-- Bouncing frequency and time

-- Contact closing/opening-time curve

2) Velocity and stroke test

-- Open/close instantaneous velocity, max. speed, average speed

-- Open-distance, over-travel, bounce-back, total stroke

-- “Stroke-time” curve

3) Current measurement on closing/opening coils

2.2 Reclosing test: close-open, open-close, open-close-open

2.3 Low-voltage test: checking out or verifying closing/open coil action voltage.

III Main features

1)      640x480 high-light color LCD touch screen, high speed built-in thermal printer

2)      Built-in micro-processor, 4GB flash disk

3)      Equipped with management software for history data managing, querying, comparing, listing, reporting and printing; RS232 & USB computer interface

4)      Integrated operation power, no need site secondary power, convenient for site use

5)      Oscillograph function displaying current wave & stroke-duration curve, for judging switch mechanism faults

6)      By equipped with angular velocity sensor, linear sensor or slide resistance sensor, test speed of all kind of switches

7)      With reclosing test function

8)      Inside anti-interference circuit suitable for reliable use in 500kV transformer substation, assuring safety and stable & precious test

9)      Support low-voltage tests on operation mechanism

10)  Suitable for mechanical characteristics and action voltage tests on all SF6, vacuum and low-oil-content switches

11)  Seven test channels for inherent closing/opening duration and simultaneity on 6 open-contact simultaneously, and one channel for velocity measuring

IV Main technical data

1)      Time range: 10ms~15s

2)      Time resolution ratio: 0.1ms; measuring precision +/-0.5% reading +/-0.2ms

3)      Min. action simultaneity difference resolution ratio: 0.1ms; measuring precision +/-0.5% reading +/-0.1ms

4)      Closing resistance measuring range 2000Ω; measuring precision: +/-2% reading +/-0.5Ω

5)      Coil current range: 20A; resolution ratio 0.01A

6)      Max. speed: 20m/s, resolution ratio 0.01m/s; precision +/-1.0% reading +/-0.05

7)      Stroke range: 6mm~400mm (determined by length of sensor)

8)      Min. stroke resolution ratio: 0.1mm; precision +/-1.0% reading +/-0.1mm (slide-resistance sensor)

9)      Power: AC220V +/-10%; 50Hz+/-1Hz

10)   Operation power output: voltage 20V~250V adjustable, current 20A, digital adjustable

11)  Dimension: 410 x 310 x 240mm

12)  Weight: 10kg


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