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定价: 158元 / 折扣价: 135

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This standard establishes uniform procedures for the measurement of electric-field strength, ion-current density, conductivity, monopolar space-charge density and net space-charge density in the vicinity of high-voltage dc (HVDC) sources.

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This document provides recommended practices for installation design, storage, installation, ventilation, instrumentation, charging, maintenance, capacity testing, and replacement of Li-ion (Lithium-ion) batteries. While the principles covered in this document apply to all stationary standby and cycling applications, some of them may be excessive for smaller systems, such as those often found in residential installations. This document also provides guidance on compliance to safety standards;… read more as well as best practices for worker safety during installation, maintenance, and testing. read less

定价: 99元 / 折扣价: 85

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