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ELECTRIC DRIVES
FOR EVERY DEMAND
Supplementary
assembly, operating and maintenance instructions
Explosion-proof three-phase asynchronous motors with
squirrel-cage rotor for high voltage
Ignition protection types
Increased safety "eb" and "ec"
Protection by enclosure "t"
Series W52R 355 ... to W52R 450 ..
Translation of original German
ATEX
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Table of Contents
Related Manuals for VEM W52R 355 Series
Summary of Contents for VEM W52R 355 Series
- Page 1 ELECTRIC DRIVES FOR EVERY DEMAND Supplementary assembly, operating and maintenance instructions Explosion-proof three-phase asynchronous motors with squirrel-cage rotor for high voltage Ignition protection types Increased safety “eb” and “ec” Protection by enclosure “t” Series W52R 355 ... to W52R 450 .. Translation of original German ATEX...
- Page 2 Change in the wording for the heating ca- Section 5.7 entry parts new, Annex 4 new ble, Information about entry parts 09.2020 Revision and adaptation of standards VEM motors GmbH Carl-Friedrich-Gauss-Strasse 1 38871 Wernigerode Germany Phone +49 3943 68-0 Fax +49 3943 68-24 40 Email: motors@vem-group.com...
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Page 3: Table Of Contents
Supplementary installation, operating and maintenance instructions English Explosion-proof three-phase asynchronous motors with squirrel-cage rotor for high voltage Contents Safety and commissioning instructions General information Symbols Safety regulations Appropriate use Potentially explosive atmospheres Transport and storage Installation, electrical connection and commissioning Operation Environmental factors 1.10... -
Page 4: Safety And Commissioning Instructions
Supplementary installation, operating and maintenance instructions English Explosion-proof three-phase asynchronous motors with squirrel-cage rotor for high voltage 1. Safety and commissioning instructions 1.1 General Attention: Read installation, operation and maintenance documents (BUW), terminal diagram, additional terminal diagram and safety data sheet before transport, installation, commission- ing, maintenance and repair, and observe the instructions! These supplementary operating and maintenance instructions apply together with the operating and mainte- nance instructions for standard motors, which contain the basic specifications for connection, assembly, op-... -
Page 5: Potentially Explosive Atmospheres
Supplementary installation, operating and maintenance instructions English Explosion-proof three-phase asynchronous motors with squirrel-cage rotor for high voltage Dimensioning and operating behaviour IEC 60034-1 EN 60034-1 Method for determining the losses and efficiency of rotating IEC 60034-2-1 EN 60034-2-1 electrical machines and tests IEC 60034-2-2 EN 60034-2-2 IEC 60034-2-3... -
Page 6: Transport And Storage
Supplementary installation, operating and maintenance instructions English Explosion-proof three-phase asynchronous motors with squirrel-cage rotor for high voltage and Safety Directive” (formerly ATEX 118a or 137). The basis for explosion-proof products is Directive 2014/34/EU. This specifies the requirements of products for use in potentially explosive atmospheres. These are supported by corresponding standards (see below). Explosion-protected electrical machines to which these instructions apply must be constructed in accordance with the standards of IEC/EN 60034 (VDE 0530), IEC/EN 60079-0 and the standards IEC/EN 60079-7 and IEC/EN 60079-31 valid for the corresponding ignition protection type. - Page 7 Supplementary installation, operating and maintenance instructions English Explosion-proof three-phase asynchronous motors with squirrel-cage rotor for high voltage avoid them. They must be authorised by the person responsible for the safety of the installation to carry out the necessary work and activities. Before starting work, the following 5 safety rules must always be applied: ...
- Page 8 Supplementary installation, operating and maintenance instructions English Explosion-proof three-phase asynchronous motors with squirrel-cage rotor for high voltage 11.5 21.3 23.0 13.2 17.1 12.0 38.1 32.4 45.9 22.6 15.8 30.3 21.2 66.1 56.2 78.2 ––– ––– 48.2 33.7 89.3 123.3 55.2 38.6 73.9 51.7...
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Page 9: Operation
Supplementary installation, operating and maintenance instructions English Explosion-proof three-phase asynchronous motors with squirrel-cage rotor for high voltage Tightening torques for screws on terminal box, bearing plates and bearing cover Thread Ø Load blocks Bearing plates Bearing cover Terminal box 12.5 Terminal board circuits In standard design, the surface-cooled motors are suitable for both directions of rotation. -
Page 10: General Information On Operation From The Frequency Inverter
Supplementary installation, operating and maintenance instructions English Explosion-proof three-phase asynchronous motors with squirrel-cage rotor for high voltage Shaft end upwards: For designs with the shaft at the top, the operator must prevent foreign bodies and water from falling vertically into the shaft. With the shaft end upwards, ingress of water or liquid along the shaft must also be prevented. When installing surface-cooled motors, it must also be ensured that the condensation water drain holes are located at the lowest point. -
Page 11: Protective Principle/Labelling
Supplementary installation, operating and maintenance instructions English Explosion-proof three-phase asynchronous motors with squirrel-cage rotor for high voltage 2. Information about ignition protection type increased safety “eb” 2.1 Protective principle/labelling Ignition protection type in which additional measures are taken to prevent the possibility of impermissibly high temperatures and the occurrence of sparks or arcs during normal operation or under specified excep- tional conditions with an increased degree of safety. -
Page 12: Information About Ignition Protection Type Increased Safety "Ec
Supplementary installation, operating and maintenance instructions English Explosion-proof three-phase asynchronous motors with squirrel-cage rotor for high voltage characteristic curve (initial temperature 20°C) for the ratio I - is not longer than the specified t time. Electrical machines with ignition protection type increased safety “eb” for heavy starting (starting time > 1.7 x time) must be protected by a start-up monitoring system in accordance with the information on the Decla- ration of Conformity and must be explicitly certified for this application. -
Page 13: Information About Ignition Protection Type Protection By Enclosure "T
Supplementary installation, operating and maintenance instructions English Explosion-proof three-phase asynchronous motors with squirrel-cage rotor for high voltage Risk of ignition at the stator The same criteria apply as for ignition protection type “eb”. We advise the plant operator to carry out the risk assessment (according to IEC/EN60079-7, Annex G) before commissioning, as changes to operating condi- tions compared to the design or order cannot be excluded. -
Page 14: Product Description
Supplementary installation, operating and maintenance instructions English Explosion-proof three-phase asynchronous motors with squirrel-cage rotor for high voltage Protection against dust ingress according to Table 1, IEC/EN 60079-31 Level of protec- Enclosure - level of protec- Group tion tion IP6X III A (fluff, fibres) IP5X IP5X IP6X... -
Page 15: Stator Winding
Supplementary installation, operating and maintenance instructions English Explosion-proof three-phase asynchronous motors with squirrel-cage rotor for high voltage 5.4 Stator housing The stator housings are made of grey cast iron EN GJL-200 DIN EN 1561 with horizontal-vertical cooling fins. The minimum wall thickness of the housing jacket outside the centring rim of 9 mm is maintained and increases towards the core. -
Page 16: External Heat And Cold Sources
- Repairs to the bearing and sealing of dust ignition-proof motors (Ex 2D, 3D) and this may only be carried out by VEM service personnel or by/in authorised workshops of qualified per- sonnel who have the necessary knowledge based on their professional training, experience and instruction. -
Page 17: Painting And Impregnation After Repair Or Maintenance Work
Supplementary installation, operating and maintenance instructions English Explosion-proof three-phase asynchronous motors with squirrel-cage rotor for high voltage Maintenance work (except relubrication) must only be carried out when the machine is at a standstill. It must be ensured that the machine is secured to prevent it from being switched on and has an ap- propriate warning sign. -
Page 18: Spare Parts
Supplementary installation, operating and maintenance instructions English Explosion-proof three-phase asynchronous motors with squirrel-cage rotor for high voltage Turn the shafts at least once a year to avoid permanent standstill marks. If the bearings are stored for a longer period of time, the grease service life of the bearings will be reduced (ageing). It is advisable to check the condition of the grease on open bearings once a year. - Page 19 Supplementary installation, operating and maintenance instructions English Explosion-proof three-phase asynchronous motors with squirrel-cage rotor for high voltage 13. Terminal box construction 13.1 terminal box 815001 Edition 09.2020...
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Page 20: Annexes
Supplementary installation, operating and maintenance instructions English Explosion-proof three-phase asynchronous motors with squirrel-cage rotor for high voltage Annex 1 VEM motors GmbH · Postfach 101252 · 38842 Wernigerode ERKLÄRUNG FÜR DEN EINBAU EINER UNVOLLSTÄNDIGEN MASCHINE nach Maschinenrichtlinie 2006/42/EG, Anhang II Teil 1B DECLARATION OF INCORPORATION OF PARTLY COMPLETED MACHINERY acc. - Page 21 Supplementary installation, operating and maintenance instructions English Explosion-proof three-phase asynchronous motors with squirrel-cage rotor for high voltage Annex 2 815001 Edition 09.2020...
- Page 22 Supplementary installation, operating and maintenance instructions English Explosion-proof three-phase asynchronous motors with squirrel-cage rotor for high voltage 815001 Edition 09.2020...
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Page 23: Pre-Purge Before Start
Supplementary installation, operating and maintenance instructions English Explosion-proof three-phase asynchronous motors with squirrel-cage rotor for high voltage Annex 3 Pre-purge before start Supplement to the operating instructions for explosion-protected electrical machines of ignition protection types “ec” (only for atmospheres in Zone 2) with operating mode other than S1 or S2 and rated power over 100 kW and increased safety “eb”. -
Page 24: Information About Cable Glands
Supplementary installation, operating and maintenance instructions English Explosion-proof three-phase asynchronous motors with squirrel-cage rotor for high voltage Annex 4 Information about cable glands approved for explosion protection The terminal boxes are designed as standard with metric threaded holes in accordance with IEC/EN 62444 or as a special version with NPT threaded holes according to ANSI B1.20.1-1983. - Page 25 For IECEx-approved motors, references to categories / zones are to be understood as references to the corresponding device protection level. (Here: category 3, assigned zone 2 corresponds to EPL Gc). VEM motors GmbH Carl-Friedrich-Gauss-Strasse 1 D-38855 Wernigerode Phone: +49-(0)39 43-68-0...
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