1 Scope
This part of IEC 61869 is a product standard and covers only additional requirements for low-power passive
voltage transformers (passive LPVT). The product standard for low-power passive voltage
transformers is composed of IEC 61869‑1, along with IEC 61869‑6 and this document with specific requirements.
This document is applicable to newly manufactured low-power passive voltage transformers
with analogue output having rated frequencies from 15 Hz to 100 Hz for use with electrical
measuring instruments or electrical protective devices.
This document covers low-power passive voltage transformers used for measurement or
protection and low-power passive voltage transformers used for both measurement and
protection.
Low-power passive voltage transformers have analogue output only (for digital output
or for technology using any kind of active electronic components refer to future IEC 61869‑7 2 ). Such low-power passive voltage transformers can include the secondary signal cable
(transmitting cable). The secondary voltage of the low-power passive voltage transformer
is proportional to the primary voltage. Derivative output signals are not within the scope of this document.
BS EN IEC 61869-11:2018 history
0000 BS EN IEC 61869-11:2018(2021)
2021BS EN IEC 61869-11:2018 Instrument transformers - Additional requirements for low-power passive voltage transformers