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4P tachogenerator for MTA, MTV, MT, 47MVO, 47MVN engines
4P DC tachogenerators are used for analog measurement of rotation speed.
Design:
Excitation - on permanent magnets
Direction of rotation - reversible
Form of construction - with a hollow shaft
Insulation class - F
Protection degree: IP00
Technical data:
DC voltage - 20V/1000 min-1;
Ripples at 1000 min-1 - 1.2%;
Linearity at 5500 min-1 - 0.4%;
Error when reversing - 0.5%;
Armature moment of inertia: 2.6x10-6 kgm2;
Temperature coefficient - 0.02°K;
Maximum current - 50 mA;
Maximum speed: 5500 min-1;
Weight - 1.5 kg

