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The 4.5 kW DC electric motor is powered by either lead-acid or silver-zinc batteries, providing a maximum range of 23 nmi or 46 nmi. The cruise and maximum speed are 2.8 and 6.5 kn. Navigation equipment comprises an aircraft-type gyro compass, a magnetic compass, depth gauge with a 0 to 100-metre scale, echo-sounder, sonar, two searchlights and ...
A DC motor is an electrical motor that uses direct current (DC) to produce mechanical force. The most common types rely on magnetic forces produced by currents in the coils. Nearly all types of DC motors have some internal mechanism, either electromechanical or electronic, to periodically change the direction of current in part of the motor.
This motor is arguably the most commonly used motor in ordinary industrial environments. TEFC enclosed motors usually cost more than open motors, but offer increased protection against weather, dirt, and moisture. TEFC motors are constructed with a small fan on the rear shaft of the motor, covered by a housing.
In the USSR, per GOST 2582-72 with class N insulation, the maximum temperatures allowed for DC motors were 160 °C for the armature, 180 °C for the stator, and 105 °C for the collector. [13] The one-hour rating is typically about 10% higher than the continuous rating and is limited by the temperature rise in the motor.
An industrial electric motor . An electric motor is a machine that converts electrical energy into mechanical energy.Most electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate force in the form of torque applied on the motor's shaft.
Medha Traction Motors: Aisin AW: Alstom: ATB-SEVER: Electric machines and drive systems, asynchronous and DC motors for traction, and synchronous traction generators Best Electric Machine Manufacturer of brushless wound-rotor (synchronous) doubly-fed electric motor. Bharat Heavy Electricals: Bombardier: Traction drives
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