Lucas Nülle - EEM 4.6 Protection for electrical machines

EEM 4.6 Protection for electrical machines

EEM 4.6 Protection for electrical machines

Squirrel cage motors are designed for operation with constant loading. Any change in load, or high currents when starting up, may cause the nominal operating temperature to be exceeded. This training system conveys how some of the most important protection circuits work.

Training contents:

Selection, installation and configuration of various motor protection systems
Motor protection switches
Motor protection relays
Thermistor protection
Effect of various operating systems on the heat of the motor
Triggering characteristics for protection systems
Protection from impermissible loading

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Equipment
Specifications

Tender specifications

Basic equipment set, consisting of:
1	Board for motor protection systems 1kW	CO3213-7Y
1	Three-phase motor with different temperature sensors, 1 kW	SE2682-5Y
1	True RMS digital multimeter	LM2324

Media:
1		Interactive Lab Assistant: Protection for electrical machines 1kW		SO2805-2F

Additionally required, dynamic servo machine test stand:
1	Servo machine test stand for 1kW machines incl. software ActiveServo (D,GB,F,E)	CO3636-6Y
1	Rubber coupling sleeve for 1kW machines	SE2662-6A
1	Coupling guard with LED lighting for 1kW machines	SE2662-7D

Power supply:
1		Three-phase power supply with motor protection switch		CO3212-5V

Measuring instruments:
1		Power-Multimeter		CO5127-2A

Accessories:
20	Safety connecting plug 4mm with tap (2x), black, 1000V/32A CAT II	SO5126-3R
2	Safety connecting plug 4mm with tap (2x), blue, 1000V/32A CAT II	SO5126-3V
2	Safety connecting plug 4mm with tap (2x), gr/ye, 1000V/32A CAT II	SO5126-3W
1	Set of safety measurement cables, 4mm, 31 pcs	SO5148-1L
1	SybaPro experiment trolley, 3-level, 6 sockets, 1250x1970x800mm	ST7200-7A
1	Protected power distribution for working stations	ST8008-8N