1. Scope 1.1 This Standard provides a method of presenting technical information relating to the selection of storage batteries for photovoltaic systems and to the precision of that information. Note: A distinguishing feature of photovoltaic (PV) pow

定价： 455元 / 折扣价： 387 元

Preface This is the common ANCE, CSA, and UL standard for sealed wire connector systems. It is the second edition of NMX-J-519-ANCE, the second edition of CSA C22.2 No. 198.2, and the fifth edition of UL 486D. This edition of CSA C22.2 No. 198.2 s

定价： 1775元 / 折扣价： 1509 元

1 Scope and object This part of IEC 60871 is applicable to both capacitor units and capacitor banks intended to be used, particularly, for power-factor correction of a.c. power systems having a rated voltage above 1 000 V and frequencies of 15 Hz to 60

定价： 1274元 / 折扣价： 1083 元

1. Scope 1.1 This Code covers the minimum requirements for the installation of solar domestic hot water systems. 1.2 This Code applies to the installation of packaged solar domestic hot water systems supplied for year-round or seasonal heating of

定价： 455元 / 折扣价： 387 元

1.1 Scope and object This technical specification applies to capacitors according to IEC 60871-1 and gives the requirements for overvoltage cycling and ageing tests of these capacitors. Ce format PDF permet de faire de la recherche 1.1 Domaine d.a

定价： 546元 / 折扣价： 465 元

1. Scope 1.1 This Standard specifies requirements for the safety of wind energy conversion systems, including design and operation under specified environmental conditions. 1.2 This Standard is concerned with all subsystems of WECS, including pro

定价： 501元 / 折扣价： 426 元

1. Scope 1.1 This Standard specifies methods for determining and reporting performance characteristics for wind energy conversion systems (WECS). 1.2 This Standard applies to WECS having mechanical, electrical, or thermal output. 1.3 This Stand

定价： 501元 / 折扣价： 426 元

定价： 1456元 / 折扣价： 1238 元

This PDF includes GI #2. 1. Scope 1.1 This Standard applies to cord-connected electric heater systems intended for use with the mattresses of household water beds and designed for use in accordance with the Rules of the Canadian Electrical Code, Pa

定价： 455元 / 折扣价： 387 元

This PDF includes GI #2. 1. Scope 1.1 This Standard covers the protection from lightning of buildings such as residences, places of public assembly, and buildings of a general industrial nature, including structures with explosive or highly flammab

定价： 455元 / 折扣价： 387 元

1. Scope 1.1 This Standard provides recommended practices and procedures, and outlines the required specifications for the installation of wind energy conversion systems. 1.2 This Standard is intended to be used in conjunction with other relevant

定价： 501元 / 折扣价： 426 元

CSA Preface This is the first edition of CAN/CSA-C61000-2-12, Electromagnetic compatibility (EMC) - Part 2-12: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public medium-voltage power supply systems, whi

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CSA Preface This is the second edition of CAN/CSA-C61000-2-2, Electromagnetic compatibility (EMC) - Part 2-2: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems, which i

定价： 1001元 / 折扣价： 851 元

1 Scope and object This part of IEC 61000 is concerned with the emission of voltage changes, voltage fluctuations and flicker produced by equipment and impressed on the public low-voltage supply system. It specifies the limits of voltage changes produc

定价： 683元 / 折扣价： 581 元

定价： 1775元 / 折扣价： 1509 元