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Uninterruptible power systems (Binational standard with UL 1778)
| 분야 | 11 : LG Electronics |
|---|---|
| 적용범위 | Preface This is the harmonized CSA Group and UL Standard for Uninterruptible Power Systems (UPS). It is the third edition of CSA C22.2 No. 107.3-14 and the fifth edition of UL 1778. This edition of CSA C22.2 No. 107.3-14 supersedes the previous edition published in 2005 and 2003. This edition of UL 1778 supersedes the previous editions published in 2005, 2003, 1994, and 1989.? This harmonized Standard was prepared by CSA Group and Underwriters Laboratories Inc. (UL). The efforts and support of the National Electrical Manufacturers Association (NEMA) and Electro-Federation Canada (EFC) are gratefully acknowledged. The Standard is intended to be used in conjunction with the applicable requirements of CAN/CSA-C22.2 No. 60950-1-07 and UL 60950-1, second edition, which is referred to in this Standard as the Reference Document (RD). Compliance will be determined by the requirements located in CAN/CSA-C22.2 No. 60950-1-07 and UL 60950-1, second edition, with deviations presented in the third edition of CSA C22.2 No. 107.3 and the fifth edition of UL 1778.? The requirements in this document have been developed from existing UL and CSA Group requirements for UPS together with IEC 62040-1 (ed. 1.0).? This Standard is considered suitable for use for conformity assessment within the stated scope of the standard.? Scope 1 General Replace this clause of the RD with the following:? 1.1.1 Equipment covered by this Standard? This Standard applies to UNINTERRUPTIBLE POWER SYSTEMS (UPS). The primary function of the UPS for this Standard is to ensure continuity of an alternating power source. The UNINTERRUPTIBLE POWER SYSTEM may also serve to improve the quality of the power source by keeping it within specified characteristics. This Standard is applicable to movable, stationary, fixed, and built-in UPS for distribution systems up to 600 V a.c. This equipment is designed to be installed in accordance with the Canadian Electrical Code, Part I, CSA C22.1, or the National Electrical Code, ANSI/NFPA 70, and, unless otherwise identified, the Standard for the Protection of Electronic Computer Data-Processing Equipment, ANSI/NFPA 75.? This Standard specifies requirements intended to ensure safety for the OPERATOR and, where specifically stated, for SERVICE PERSONNEL.? This Standard is intended to reduce the risk of fire, electric shock, or injury to persons from installed equipment, both as a single unit or as a system of interconnected units, subject to installing, operating, and maintaining the equipment in the manner prescribed by the manufacturer.? 1.1.2 Additional requirements? In addition to the requirements in this Standard, a UPS is to comply with the UPS-relevant requirements of CAN/CSA-C22.2 No. 60950-1/UL 60950-1, second edition, Information Technology Equipment - Safety -Part 1: General requirements (RD), as applicable for the country where the product will be used. Wherever there is a conflict between the requirements of this Standard and the RD, the requirements of this Standard will prevail.? Engine-driven d.c. power generators intended to provide backup power for the battery supply circuit of UPS units are investigated for compliance with the requirements of UL 2200, and CSA C22.2 No. 100.? UPS that employ hospital grade components identified by the markings "Hospital Only", "Hospital Grade", or a green dot on the BODY of the component, or otherwise implying suitability for medical use, are evaluated to the requirements of this Standard and CAN/CSA-C22.2 No. 60601-1/UL 60601-1.? Requirements additional to those specified in this Standard may be necessary for equipment intended for use where ingress of water is possible; for guidance on such requirements and on relevant testing, see Annex LLL and Annex T/RD.? 1.1.3 Exclusions? These requirements do not cover UPS units for use as legally required standby systems, described in Article 701 of the National Electrical Code, ANSI/NFPA 70, and emergency power supply described in Section 46 of the Canadian Electrical Code, Part I, CSA C22.1. See Annex LLL. Where considered appropriate, revision of requirements will be proposed and adopted in conformance with the methods employed for development, revision, and implementation of this Standard.? NOTE 1: For equipment subject to transient overvoltages exceeding those for Category II according to IEC 60664, additional protection might be necessary. Such additional protection may be located in the AC MAINS SUPPLY to the equipment or in the equipment as an integral design feature.? NOTE 2 Where the additional protection is an integral part of the equipment insulation requirements, CREEPAGE DISTANCES and CLEARANCE distances from the mains through to the load side of the additional protection may be judged as Category III or IV as required. All insulation requirements, CREEPAGE DISTANCES, and CLEARANCE distances on the load side of the additional protection may be judged as Category I or II as required.? 1.1.4 Additional applications? This Standard does not cover all types of UPS, but it may be taken as a guide for such equipment. Requirements additional to those specified in this Standard are in some cases necessary for specific applications, e.g.,? a) equipment intended for operation while exposed to conditions such as extremes of temperature; excessive dust, moisture, or vibration; flammable gases; or corrosive or explosive atmospheres;? b) UPS equipment based on rotary machinery;? c) UPS equipment meeting emergency lighting and power requirements as specified in UL 924; and central power system described in CSA C22.2 No 141-10.? Additional subclause:? 1.1.101 Normative references? For updated references to standards, such references is to be considered to refer to the latest edition and all revisions to that edition up to the time when this standard was approved.? Products covered by this Standard are to comply with the reference installation codes and standards as noted (in Annex III) as appropriate for the country where the product is to be used. When the product is intended for use in more than one country, the product is to comply with the installation codes and standards for all countries where it is intended to be used.? For products intended for use in Canada, general requirements are given in CAN/CSA-C22.2 No. 0. |
| 국제분류(ICS)코드 | |
| 페이지수 | 186 |
| Edition |
| No. | 표준번호 | 표준명 | 발행일 | 상태 |
|---|---|---|---|---|
| 1 | CSA C22.2 NO. 107.3:14 (R2024) | Uninterruptible power systems (Binational standard with UL 1778) | 2014-01-01 | 표준 |
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