What is BS EN 60349-1 - Machines other than electronic converter-fed alternating current motors about?
BS EN 60349 is a European Standard on the electric traction rotating electrical machines for rail and road vehicles. The main aim of the BS EN 60349-1 series is to provide the best industry guidance on electric machines or motors that contribute to a safe and comfortable working environment for rail and road vehicles.
BS EN 60349-1 is the first part of the BS EN 60349 series that is applicable to rotating electrical machines, other than electronic converter-fed alternating current motors, forming part of the equipment of electrically-propelled rail and road vehicles. The vehicles may obtain power either from an external supply or from an internal source.
Electrical inputs or outputs of machines covered by BS EN 60349-1 may be as follows:
- Direct current (including rectified polyphase alternating current)
- Pulsating current (rectified single-phase alternating current)
- Unidirectional chopper-controlled current
- Single-phase alternating current
- Polyphase alternating current (in general three-phase)
In BS EN 60349-1, the electrical machines concerned are classified as follows.
- Traction motors – Motors for propelling rail or road vehicles
- Engine-driven main generators – Generators for supplying power to traction motors on the same vehicle or train
- Main motor-generator sets – Machines obtaining power from a line or battery, and supplying power to traction motors on the same vehicle or train
- Auxiliary motors – Motors for driving compressors, fans, auxiliary generators or other auxiliary machines
- Auxiliary generators – Generators for supplying power for auxiliary services such as air conditioning, heating, lighting, battery charging, etc
- Auxiliary motor-generator sets and auxiliary rotary converters – Machines that obtain their power from the line or other source to provide an electrical supply for auxiliary services.
Who is BS EN 60349-1 - Machines other than electronic converter-fed alternating current motors for?
BS EN 60349-1 on machines other than electronic converter-fed alternating current motors is useful for:
- Manufacturers of rail and road vehicles
- Mechanical and electrical engineers
- Electric traction equipment manufacturers
- Designers of electric machines and motors for rail and road vehicles
- Quality control personnel
- Inspection units
Why should you use BS EN 60349-1 - Machines other than electronic converter-fed alternating current motors?
The rotating electrical machines transform electrical power into mechanical power, allowing vehicle motors to start. Electrical machines are used in the energy conversion process in the generation, transmission, and use of electricity. Electric machine efficiency and performance can have a substantial impact on fuel economy, acceleration, high-speed performance, and driving comfort in electrified powertrains and road vehicles.
In this regard, BS EN 60349-1 specifies the characteristics of electric machines, test categories, a summary of tests, and marking of the products and assists you with environmental conditions.
BS EN 60349-1 covers type tests and routine tests that include: Temperature-rise tests, characteristic tests and tolerances, commutation tests, transient tests, short-circuit tests on main and auxiliary alternators, starting tests, overspeed tests, vibration tests, short-time soundness tests, dielectric tests and commutator radial run-out measurement.
Overall, the objective of BS EN 60349-1 is to enable the performance of a machine to be confirmed by tests and to provide a basis for assessment of its suitability for a specified duty and for comparison with other machines.
What’s changed since the last update?
BS EN 60349-1:2010 supersedes EN 60349-1:2000 + A1:2002. BS EN 60349-1:2010 includes some technical changes with respect to EN 60349-1:2000 + A1:2002. These include:
- As the limits of vibration velocities have been changed in EN 60034-14, the limits valid for traction motors are now directly stated in this standard
- In addition to the existing method for measuring and calculating the sound power level, the methods described in EN ISO 3741, EN ISO 3743 (all parts), EN ISO 3744, EN ISO 3745 and EN ISO 9614 (all parts) are also allowed. However, the maximum sound power levels and the correction for pure tones remain unchanged in C.7 and C.8