This standard presents general consideration for special HVP systems intended to protect telecommunications facilities serving electric supply locations. This standard contains material common to all of the IEEE 487(TM) family of standards including fundamental protection theory and basic electrical protection concepts and designs.

定价： 158元 / 折扣价： 135 元

This standard presents engineering design procedures for the electrical protection of communication facilities serving electric supply locations through the use of isolation transformers. Othere telecommunication alternatives such as radio and microwave systems are excluded from this document.

定价： 55元 / 折扣价： 47 元

This standard presents engineering design procedures for the electrical protection of telecommunication facilities serving electric supply locations through the use of metallic wire-line components in part of the telecommunication circuit and optical fiber systems in the remainder of the telecommunication circuit. Other telecommunication alternatives such as radio and microwave systems are excluded from this document.

定价： 110元 / 折扣价： 94 元

This standard presents engineering design procedures for the electrical protection of communication facilities serving electric supply locations through the use of neutralizing transformers. Othere telecommunication alternatives, such as radio and microwave systems, are excluded from this document.

定价： 110元 / 折扣价： 94 元

This standard presents engineering design procedures for the electrical protection of telecommunication facilities serving electric supply locations through the use of optical fiber systems for the entire facility. Other telecommunication alternatives such as radio and microwave systems are excluded from this document.

定价： 81元 / 折扣价： 69 元

This recommended practice presents engineering design procedures for the electrical protection of communication facilities serving electric supply locations using optical fiber systems. Services utilizing wire-line protection systems are addressed in IEEE Std 487™-2007. Other telecommunication alternatives such as radio and microwave systems are excluded from this document.

定价： 110元 / 折扣价： 94 元

This standard presents engineering design procedures for the electrical protection of telecommunication facilities serving electric supply locations through the use of optical fiber systems for the entire facility. Other telecommunication alternatives such as radio and microwave systems are excluded from this document.

定价： 61元 / 折扣价： 52 元

This standard presents engineering design procedures for the electrical protection of metallic wire-line telecommunication facilities serving electric supply locations through the use of on-grid isolation equipment. Other telecommunication alternatives, such as radio and microwave systems, are excluded from this document.

定价： 81元 / 折扣价： 69 元

This standard presents engineering design procedures for the electrical protection of telecommunication facilities serving electric supply locations through the use of optical fiber systems for the entire facility. Other telecommunication alternatives such as radio and microwave systems are excluded from this document.

定价： 56元 / 折扣价： 48 元

定价： 无文本

This specification defines the quality management system (QMS) requirements for service supply organizations for the petroleum and natural gas industries. It is intended to apply to the execution of services for the petroleum and natural gas industry. This includes, but is not limited to, activities such as well construction, intervention, production, and abandonment, as well as repair/maintenance/configuration of servicerelated product.

定价：

This standard describes methods for qualifying static battery chargers, inverters, and uninterruptible power supply (UPS) systems for Class 1E installations outside containment in nuclear power generating stations, and is not intended for qualification under harsh environment (e.g., inside containment) design basis conditions.

定价： 83元 / 折扣价： 71 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

This standard defines requirements for electrical systems that are meant to satisfy all the attributes associated with electrical supply for energy access outlined in Tier 2 (product kits) and Tier 3 (fixed installations) of the ESMAP Multi-Tier Framework for Household Electricity Supply.

定价： 56元 / 折扣价： 48 元