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[Cites 0, Cited by 0] [Section 5] [Entire Act]

State of Tamilnadu - Subsection

Section 5(4) in Tamil Nadu Electricity Regulatory Commission Tamil Nadu Electricity Distribution Code

(4)The system planning is also necessary in the cases that include
(a)Network modernization and upgrading.
(b)Changes in operational and protection philosophy or neutral grounding.
The tasks, problems and activities related to Network Expansion planning, component design and operational problems are brought out as follows.
Sl.No. Describition Tasks & problems Activities
1 Expansion planning Local increase New transformer, substationsIntegration of peripheral -Networks Cable relaying Modernizationof substations Network coupling Power station extension *[upgradingthe voltage level] Network ocumentation Graphic InformationSystem Network calculation forload flowandshort-circuit. Dynamic network Calculation.
2 Component design Circuit-breaker stress cable cross sectionTransformer size Neutral earthing resistor Stability Fault analysis Relay coordinationstudies
3 Operational problems Substation faults Voltage quality HarmonicsEarthing problems Motor starting Power swings Frequency ofoccurrence of faults Fault tripping Harmonics analysis Harmonics filter designEarthing measurement Network configuration Substation designEconomic analysis Relay selection **[provision of effectiveearthing' Insulation coordination
* Substituted for the clause "Define the task" as per Commission's Notification No. TNERC/DC/S-8** Substituted for the expression "Handling of Neutral point" as per Commission's Notification No.TNERC/DC/8-8 dated 8.2.2008 (w.e.f. 27.2.2008)