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定价： 149元 / 折扣价： 127 元

This standard established acceptable performance criteria for solid-state electricity meters including: class designations, voltage and frequency rating, test current values, service connection arrangements, pertinent dimensions, form designations, and environmental tests for types "S: and "A" meters.

定价： 87元 / 折扣价： 74 元

This standard covers the architecture of a dc microgrid for rural and remote applications with a nominal distribution voltage of 48 V. It defines voltage and power quality metrics for power supplied to loads attached to such a microgrid. This standard focuses on the power distribution portion of a microgrid and addresses sources only in the way that they are attached to the grid. It does not impose either minimum or maximum current limits. Users of this standard are responsible for observing… read more all applicable laws and regulations related to power grid and microgrid design, operation, and maintenance. Compliance with the provisions of this standard does not imply compliance to any such legal or regulatory requirements. read less

定价： 71元 / 折扣价： 61 元

This standard covers the design, operations, and maintenance of a dc microgrid for rural or remote applications. The standard further provides requirements for providing low voltage dc and ac power to off-grid loads.

定价： 0元 / 折扣价： 0 元

This standard specifies the requirements of an electrical installation for a household that meets the capacity requirements and other attributes defined in Tier 2 and Tier 3 of the Energy Sector Management Assistance Program’s (ESMAP’s) multi-tier Framework (MTF) for measuring access to household electricity supply [B1]. The standard defines a direct-current (dc)-based installation, and the installation is not meant to be directly connected to the public distribution network.

定价： 56元 / 折扣价： 48 元