I.S. EN 50091-1:1993
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
UNINTERRUPTIBLE POWER SYSTEMS (UPS) - GENERAL AND SAFETY REQUIREMENTS
Hardcopy , PDF
22-10-2003
English
05-11-1993
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
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1 General
1.1 Scope
1.2 Definitions
1.3 General requirements
1.4 General conditions for tests
1.5 Components
1.6 Power interface
1.7 Marking and instructions
2 Fundamental design requirements
2.1 Protection against electric shock and energy
hazards
2.2 Insulation
2.3 Safety Extra-Low Voltage (SELV) circuits
2.4 Limited current circuits
2.5 Provisions for protective earthing
2.6 AC and DC power isolation
2.7 Overcurrent and earth fault protection
2.8 Protection of personnel. Safety interlocks
2.9 Clearances, creepage distances and distances
through insulation
2.10 External signalling circuits
2.11 Limited power source
2.12 Protection of the applied load
3 Wiring, connections and supply
3.1 General
3.2 Connection to power
3.3 Wiring terminals for external power conductors
4 Physical requirements
4.1 Stability and mechanical hazards
4.2 Mechanical strength and stress relief
4.3 Construction details
4.4 Resistance to fire
4.5 Battery location
5 Thermal and electrical requirements
5.1 Heating
5.2 Earth leakage current
5.3 Electric strength
5.4 Abnormal operating and fault conditions
Annex A: Test for resistance to heat and fire (normative)
Annex B: Motor test under abnormal conditions (normative)
Annex C: Transformers (normative)
Annex D: Measuring instrument for earth leakage current
test (normative)
Annex E: Temperature rise of a winding (normative)
Annex F: Measurement of creepage distances and clearances
(normative)
Annex G: Earth leakage current for equipment intended to be
connected directly to IT power systems (normative)
Annex H: Guidance on protection against ingress of water
and foreign objects (informative)
Annex J: Table of electrochemical potentials (informative)
Annex K: Thermal controls (normative)
Annex L: Backfeed protection test (normative)
Annex M: Examples of normal load conditions (normative)
Annex N: Ventilation of battery compartments (normative)
Annex P: Normative reference to International Publications
(normative)
Annex Q: A-Deviations (informative)
Applies to electronic indirect a.c. convertor systems with electrical energy storage means in the d.c. link. The primary function of the uninterruptible power system (UPS) covered by this standard is to ensure continuity of an alternating power source.
| DocumentType |
Standard
|
| Pages |
64
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Withdrawn
|
| Standards | Relationship |
| BS EN 50091-1:1993 | Identical |
| EN 50091-1 : 93 AC 93 | Identical |
| NF EN 50091-1 : 1993 | Identical |
| DIN EN 50091-1 : 1994 | Identical |
| NEN EN 50091-1 : 1994 | Identical |
| UNE-EN 50091-1:1996 | Identical |
| NBN EN 50091-1 : 1994 | Identical |
| I.S. 3217:2013 | EMERGENCY LIGHTING |
| IEC 60146-4:1986 | Semiconductor convertors. Part 4: Method of specifying the performance and test requirements of uninterruptible power systems |
| EN 60924:1991/A1:1994 | SPECIFICATION FOR GENERAL AND SAFETY REQUIREMENTS FOR D.C. SUPPLIED ELECTRONIC BALLASTS FOR TUBULAR FLUORESCENT LAMPS |
| IEC 60950:1999 | Safety of information technology equipment |
| IEC 60364-4-41:2005+AMD1:2017 CSV | Low voltage electrical installations - Part 4-41: Protection for safety - Protection against electric shock |
| EN 50091-2:1995/corrigendum Jan. 1998 | |
| EN 60950:2000/corrigendum:2002 | SAFETY OF INFORMATION TECHNOLOGY EQUIPMENT |
| IEC 60925:1989+AMD1:1996+AMD2:2001 CSV | DC supplied electronic ballasts for tubular fluorescent lamps - Performance requirements |
| IEC 60529:1989+AMD1:1999+AMD2:2013 CSV | Degrees of protection provided by enclosures (IP Code) |
| IEC 61000-2-2:2002+AMD1:2017 CSV | Electromagnetic compatibility (EMC) - Part 2-2: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems |
| IEC 60364-7-707:1984 | Electrical installations of buildings. Part 7: Requirements for special installations or locations. Section 707: Earthing requirements for the installation of data processing equipment |
| EN 60529:1991/AC:2016-12 | DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015) |
| ISO 7000:2014 | Graphical symbols for use on equipment Registered symbols |
| HD 243 : S12 | GRAPHICAL SYMBOLS FOR USE ON EQUIPMENT - INDEX, SURVEY AND COMPILATION OF THE SINGLE SHEETS |
| IEC 60445:2017 | Basic and safety principles for man-machine interface, marking and identification - Identification of equipment terminals, conductor terminations and conductors |
| EN 60320-1:2015/AC:2016 | APPLIANCE COUPLERS FOR HOUSEHOLD AND SIMILAR GENERAL PURPOSES - PART 1: GENERAL REQUIREMENTS (IEC 60320-1:2015/COR1:2016) |
| EN 60925:1991/A2:2001 | SPECIFICATION FOR PERFORMANCE REQUIREMENTS FOR D.C. SUPPLIED ELECTRONIC BALLASTS FOR TUBULAR FLUORESCENT LAMPS |
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