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The scope of this guide is to describe the requirements for handling and disposal of the transformer grade insulating liquids containing PCBs; the definition of PCB levels in electrical insulating liquids; the analytical method of detection and measurement of the PCBs in electrical insulating liquids; and regulations covering the identification and the disposal of electrical insulating liquids containing PCBs.

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This specification covers new shop-fabricated vertical, cylindrical, aboveground, welded steel storage tanks in the standard sizes and capacities. It defines the material, design, fabrication, and testing requirements, as well as identifying the acceptable internal pressures given in Table 1.

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This guide provides acceptance and maintenance criteria for insulating liquids used in transformers, tap changers, regulators and reactors.

定价: 93元 / 折扣价: 80

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