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POWER GRID CORPORATION OF INDIA LTD. WELCOMES. Director DOE MD BPC Advisor DOE Royal Govt of Bhutan. NORTHERN REGIONAL LOAD DISPATCH CENTER 12 th June 2004. POWER GRID CORPORATION OF INDIA LTD NORTHERN REGIONAL LOAD DISPATCH CENTER W E L C O M E S His Excellency CASTIGO CORREIA LANGA
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POWER GRID CORPORATION OF INDIA LTD. WELCOMES Director DOE MD BPC Advisor DOE Royal Govt of Bhutan NORTHERN REGIONAL LOAD DISPATCH CENTER 12th June 2004
POWER GRID CORPORATION OF INDIA LTD NORTHERN REGIONAL LOAD DISPATCH CENTER W E L C O M E S His Excellency CASTIGO CORREIA LANGA Minister of Mineral Resource & Energy And Delegates From Republic Of Mozambique 13th December, 2003
POWER SYSTEM::HUMAN BODY RLDC::Brain Generation ::Heart Sub-Transmission:: Sub Arteries Transmission:: Main Arteries Distribution: Capillaries
Inter Regional Links 1200 MW 500 MW 800 MW 500 MW 500 MW 1000MW Present IR Capacity = 8,500 MW By the year 2012 = 30,000 MW 2000MW
International Links 50 MW 350 MW NEPAL BHUTAN
SLDC SLDC SLDC SUB LDC SUB LDC SUB LDC RTU RTU RTU Unified Grid Operation National Level NLDC Regional Level ERLDC WRLDC NRLDC SRLDC NERLDC 5 Nos. State HQ Level 32 Nos. Group / Distt Level 51 Nos. Plant / Sub- Station Level 1160 Nos.
Functions Of RLDC • Apex Body For Integrated Grid Operation • Responsible for Optimum Scheduling and Dispatch of Electricity • Keep Accounts Of Electricity Transmitted Through Grid • Supervise and Control The Inter – State Transmission System • Ensure Security and Economy In Operation as per the Grid Standards and the Grid Code
Establishment of Modern RLDCsHas Resulted Into: • Considerable Betterment of System Parameters viz., Frequency & Voltage in spite of Minimal Generation Addition • Merit Order Operation, Leading to Overall Economy • State-of-the-art technology in grid operation by introduction of ULD & C Schemes. • Introduction of ABT (Availability Based Tariff), linked to frequency variation • Transparency in grid operation • Quantum leap in intra and Inter Regional Power Exchange and Trading • Infused Grid Discipline
POWERGRID’s Diversification into Telecom • To utilize spare capacity of ULDC schemes and maximize return on its transmission infrastructure, POWERGRID decided to diversify into Telecom • Through an incremental investment • Telecom networks on Transmission Infrastructure • Sturdy & secure • Rodent menace free • Vandalism proof
POWERGRID’s Diversification into Telecom • Only utility in the country providing overhead fibre optic cable for telecom networks • DWDM/SDH equipment deployed • Scalable to Terabit Capacity • Obtained IP-II license in Jan 2001 and ISP Category-A license in May 2003
POWERGRID’s Broadband Network • All India Fibre Optic Network of 20,000 kms, spread over 60 cities including all Metros & major cities • Links under commercial operation • Delhi-Lucknow -Mumbai • Delhi-Ambala-Chandigarh-Shimla-Jallandar-Jammu • Delhi- Jaipur • Ahmedabad-Mumbai-Pune • Mumbai-Hyderabad-Bangalore-Cochin • Within NER • Maintaining availability of 100% on overhead OFC network
POWERGRID’s Broadband Network • Complete network to be in place by 2004 • Chennai June, 2004 • Allahabad, Kanpur, Agra June, 2004 • Kolkatta, NER June, 2004 • Trivandrum Sept, 2004
Legend: Links under operation Links under Implementation Telecom Backbone Network Srinagar Jammu Shimla Chandigarh Link to Bhutan NEW DELHI Meerut Itanagar Jaisalmer Siliguri Agra Lucknow Guwahati Patna Kohima Jaipur Kanpur Shillong Bhuj Allahabad Imphal Durgapur Bhopal Aizwal Ahmedabad Agartala Jamnagar KOLKATA Nagpur Bhilai Bhubaneswar MUMBAI Pune Vishakapatnam HYDERABAD Vijayawada BANGALORE CHENNAI Trichy Cochin Madurai Trivandrum
ACSR STRANDS FIBRE OPGW ALUMINIUM TUBE Overhead Fibre Optic Cable Installation
NIC(GOI) ERNET(GOI) STPI(GOI) ESTEL(ISP) Fidelity (Call Centre) GLIDE(ISP) Bharti infotel (NLD) Bharti Cellular Airtel Customer Base VSNL, (ILD/NLD) Data Access, (ILD) Daksh, (Call Centre) Convergy’s,(Call Centre) Spectranet (ISP) HCL Infinet (ISP) ExattNet(ISP) Hutchission Essar (Cellular)
Prior To ABT & RLDC Administration After ABT & RLDC Administration
ULD & C PROJECT: OBJECTIVES • To have • Greater and deeper visibility of the power system under control • Better communication and co-ordination between control centers • Effective management of grid parameters viz. frequency, voltage etc. and better grid security through various SCADA/EMS features resulting in better • Operations scheduling • Operations monitoring and control • Power system analysis • A real time environment for dispatcher training
AVAILABILITY BASED TARIFF CAPACITY CHARGE ENERGY CHARGE ADJUSTMENT FOR DEVIATIONS (U I CHARGE) Where (A) = a function of the Ex-Bus MW availability of Power Plant for the day declared before the day starts x SEB’s % share (B) = MWh for the day as per Ex-Bus drawal schedule for the SEB finalised before the day starts x Energy charge rate (C) = Σ (Actual energy interchange in a 15 minute time block – scheduled energy interchange for the time block) x UI rate for the time block TOTAL PAYMENT FOR THE DAY = (A) + (B) ± (C)