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| Home > Suppliers Directory > Kirloskar Electric Co. Ltd. (unit Vi) > Thyristor Converters - Mk-iii |
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| Thyristor Converters - Mk-iii |
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| Product Information |
Mysore-based kirloskar electric manufactures thyristor converters, mk-iii. These are
are useful for various process applications in steel, paper, textile and material handling areas. These converters use single-phase fully controlled thyristor bridges. In most applications the bridge is used to control the armature voltage. These converters feature built-in isolation amplifier for armature voltage feedback. Electrical specifications are as follows:
mk-iii min drive modules are rated up to 30 amps
· input supply: 240v, single phase, 50 hz or, 415v line-line, 50 hz supply with voltages of 10 percent and frequency variation of 3 percent
· armature voltage: suitable for dc motors of armature with voltage supply of 180v or 320v when operating on line-neutral or line-line supply, respectively
· field supply: 240v, single-phase 50hz input, 200v dc at maximum 2a dc output
· speed range: 1:10 by armature voltage control at constant torque speed regulation: +/-1 percent with tacho feedback [dependent on type of tacho used] or +/-3 percent with armature voltage feedback, at base speed
· standards applicable: iec - 146, class - 1 duty
features and protection:
· controlled acceleration facility
· ir compensation in case of armature voltage feedback
· adjustable current limit
· metal oxide varistors for surge suppression
· instantaneous over load
· field failure
· armature over voltage
· tacho fail
· external fault reset facility
· adjustable trimports for instantaneous over load, current limit, maximum speed, minimum speed, gain, ir compensation, field fail, acceleration, deceleration, over voltage, stability, and inch reference
· status indicating multicolour led bar graph for power supply [+15v and -15v], precondition, trip, field failure, current limits, instantaneous over current, over voltage, tacho fail, and run
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