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This document recommends performance characteristics and equipment for electric-hydraulic governors for all types of hydraulic turbines intended to drive electric generators of all sizes. This recommended practice is applicable to new governors and rehabilitation of existing governors.

定价： 110元 / 折扣价： 94 元

The Specification is limited in scope to the following types of open-cycle gas turbines intended to drive electric generators at constant speed.

定价： 56元 / 折扣价： 48 元

This guide applies to single- and three-phase 50 Hz and 60 Hz MCCs rated not more than 600 V ac or 1000 V dc. The recommendations within this guide augment the existing requirements of applicable MCC standards (NEMA ICS 18 and UL 845/ NMX-J-ANCE/CSA C22.2 No. 254, collectively referred to as "base MCC standards"). In addition, this guide provides recommendations for electrical system design to help improve safety of the motor control system. The recommendations in this guide should be used in… read more conjunction with safety requirements and procedures as stipulated by appropriate workplace safety standards, site practices and procedures, and manufacturers' instructions. read less

定价： 81元 / 折扣价： 69 元

This guide applies to single- and three-phase 50 Hz and 60 Hz Motor Control Centers (MCCs) rated not more than 600 V ac or 1000 V dc. The recommendations within this guide augment the existing requirements of applicable MCC standards (NEMA ICS 18 and UL 845/ NMX-J-ANCE/CSA C22.2 No. 254, collectively referred to as "base MCC standards"). In addition, this guide provides recommendations for electrical system design to help improve safety of the motor control system. The recommendations in this… read more guide should be used in conjunction with safety requirements and procedures as stipulated by appropriate workplace safety standards, site practices and procedures, and manufacturers' instructions. read less

定价： 71元 / 折扣价： 61 元