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[Cites 0, Cited by 0] [Section 6] [Entire Act]

State of Rajasthan - Subsection

Section 6(2) in Rajasthan Electricity Regulatory Commission (Transmission Licensee's Standards of Performance) Regulations, 2004

(2)Voltage Unbalance. - This performance standard shall be achieved during Final Stage (Level-3). The phase voltages of a 3-phase supply should be of equal magnitude. Deviations will result in decreased efficiency, negative torque, vibrations and overheating. Severe unbalance could lead to malfunctioning of some equipment. Some types of load like electric traction, Induction & Arc. Furnace may induce un-balance in the supply voltages. Distribution Licencee shall ensure that the loads connected at the inter-connection points are perfectly balanced. Subject to Distribution Licencee observing the Grid Code Connection Conditions in this regard the voltage unbalance expressed as the following ratio shall not exceed the values given below:-
(i) Voltage Unbalance =| Deviation between highest and lowest phase voltageAverage voltage of three phases.|
Voltage Level Limit of voltage unbalance
220 Kv and above 2%
Below 220 Kv 3%