Electrical Machine Types

Dynamometer

The Dynamometer is made up of a long shafted Permanent Magnet DC machine free rotating between bearings mounted in a cradle. One side of the machine can be coupled to any of our test machines using a push fit safety coupling housed in a plastic tube which ensures that no moving parts are accessible. The Dynamometer cradle takes torque measurements in both directions of rotation: anti-clockwise with a spring balance, and clockwise with a strain gauge linked to the control unit. The Dynamometer is fitted with two 4mm shrouded safety connectors which are used to add an electrical load to the machine and are also used as a DC machine (24V 50W) when testing machines as generators.

Brushless Motor

The Brushless DC motor is a small 24V 52-watt device with 8mm shaft and safety coupling. The 6-pole device is driven by a 24V three-phase supply and has Hall effect sensors to sense rotor position.

The machine is fitted with 4mm connectors for drive and a 5-way connector for Hall sensors.

DC Motor

The 24V 50W Permanent magnet DC motor is a simple machine with two magnetic poles for the stator and a wound rotor with carbon brushes.

The machine is fitted with 4mm shrouded connectors.

Universal Motor

The series motor can be driven from 24V AC or 24V DC and has a 2-pole wound stator and a wound rotor with carbon brushes.

Rotor and stator connections are made on separate 4mm shrouded connectors.

Single Phase Motor

The single phase 24V 35W induction motor has a 4-pole wound stator with two windings for start and run. Connection is provided on 4mm shrouded connectors with a common terminal, start terminal and run terminal.

Requires an external capacitor (included inside the Control unit) to start rotation.

Shunt Motor

The shunt motor is a 24V device with a 2-pole wound stator a wound rotor with carbon brushes. Rotor and stator connections are made on separate 4mm shrouded connectors so that the field and armature can be excited by separate DC power supplies.