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EST 1 Manual switching in three-phase circuits 230 V

Alpha Technical Solutions Inc.

EST 1 Manual switching in three-phase circuits 230 V

Up to a certain power rating, multi-pole consumers can be connected directly in three-phase circuits. Suitable switching devices are available for this purpose and must be employed correctly for the application involved.

Training objectivs:

Switching a three-phase induction motor with a squirrel cage motor on and off
Star-delta connection of a three-phase induction motor with a squirrel-cage rotor
Star-delta reversing circuit for a three-phase induction motor with a squirrel-cage rotor
Pole reversal with Dahlander three-phase induction motor
Pole reversal with a three-phase induction motor with two separate windings

Equipment set comprising the following:
1		Switch and pushbutton unit for motor controls		CO3209-1A

Media:
1		Interactive Lab Assistant Manually actuated switching of three-phase motors		SO2801-4A

Additionally required:
	Machine equipment, supplementary set to EST… more
1		Three-phase asynchronous motor, 0.3 kW n=1400 (400V/690V)		SE2683-1G
1		Three-phase asynchronous motor, Dahlander, 0.3 kW		SE2682-3K
1		Three-phase asynchronous motor, two separate windings, 0.3 kW		SE2682-3L
1		Shaft end guard, 0.3kW		SE2662-2C

Measuring instruments:
1		TRMS digital multimeter MetraHit 2+, CAT III		LM2323

Power supply:
1		Three-phase supply for electrical machines		CO3212-5V

Accessories:
1		Set of safety measurement cables, 4mm (53 leads)		SO5148-1B
1		Control tech. III, supp. module with two rows for assembly of arbitrary circuits		CO3209-1G
1		Mobile aluminum experiment stand, 3 levels, power strip with 6 sockets,(1250 x 1970 x 700 mm)		ST7200-4C
1		Monitor holder for flat screen monitor of weight up to 15kg/33lbs		ST8010-4T
1		Protection cover for three-level experiment trolleys		ST8010-9Y