Voltage Transformer Specification

Transformers are available in standard and customizable designs to meet utility commercial and industrial applications.

Voltage transformer specification.

Depending on their design voltage transformers will be connected either. Sometimes a second isolated winding y 1 y 2 y 3 and third z 1 z 2 z 3 may also be available on the same. Find voltage and potential transformers on globalspec by specifications. This list is not to be considered exhaustive and reference to a particular standard or.

The voltage transformer must be suited to requirements relating to protection and. Iso 1460 2629 galvanising. Medium voltage transformers provide value and reliability with a variety of options to increase system protection and environmental responsibility. Rated primary voltage up.

The following have different explanations in these standards. Some definitions and requirements of these standards such as csa c88 m90 ieee c57 12 00 and iec 60076 are different. Hitachi abb power grids is a major transformer manufacturer throughout the world and offers both liquid filled and dry type transformers as well as services for complete life cycle support including replacement parts and components. The secondary voltage is substantially proportional to the primary voltage and differs from it in phase by an angle that is approximately zero.

This specification covers the electrical and mechanical characteristics of eaton s cooper power series 45 10 000 kva three phase step down pad mounted distribution transformers. Again the accuracy classes specification of voltage transformers is different for measuring core and protection core. Iec 616 557 terminal and tapping markings for power transformers. Doc 462 kb 4 1 2016.

Orbetween phases see figure 1b figure 1 voltage transformer connections. Class of accuracy for measuring voltage transformer the standard accuracy class of voltage transformer are 0 1 0 2 0 5 1 0 and 3 0. In its most basic form the device consists of three parts. Technical specification for 33 11kv power transformers apdrp scheme page 2 of 72 iec 606 application guide for power transformers.

Smaller time ratings are permissible by agreement between manufacturer and user. May be labeled as h 1 h 2 sometimes h 0 if it is internally designed to be grounded and x 1 x2 and sometimes an x 3 tap may be present. Many specifications list a number of transformer standards and make a statement in the specifications that the transformers must meet these standards. Voltage and potential transformers are used to measure voltage potential.