BS EN 50160:1995 Voltage characteristics of electricity supplied by public distribution systems
Withdrawn
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1.1 Scope
This standard gives the main characteristics of the voltage at the customer's supply-terminals in public low voltage and medium-voltage electricity distribution systems under normal operating conditions.
NOTE: For definition of low and medium voltage see definitions 1.3.7 and 1.3.8.
The standard does not apply:
- for operation after a fault and for a temporary supply arrangement adopted to keep customers
supplied during maintenance and construction work or to minimize the extent and duration of a
loss of supply,
- in case of non-compliance of a customers' installation or equipment with the relevant standards or
with the technical requirements for connection of loads, including the limits for the emission of
conducted disturbances,
- in case of non-compliance of a generation installation with the relevant standards or with the
technical requirements for interconnection with an electricity distribution system (e.g. embedded
generation),
- in exceptional situations outside the supplier's control, in particular:
. exceptional weather conditions and other natural disasters,
. third party interference,
. acts by public authorities,
. industrial actions (subject to legal requirements),
. force majeure,
. power shortages resulting from external events.
This standard may be superseded in total or in part by the terms of a contract between the individual customer and the electricity supplier.
The voltage characteristics given in this standard are not intended to be used as electromagnetic compatibility (EMC) levels or user emission limits for conducted disturbances in public distribution systems.
