Northan-Estern load dispatch center is situated at

Question

Examoogle · Accepted Answer

Shillong

Explanation: The North Eastern Regional Load Despatch Centre (NERLDC) is the apex body for ensuring integrated operation of the power system in the North Eastern Region of India. It is one of the five regional load despatch centers under the Power System Operation Corporation (POSOCO), now known as Grid Controller of India Limited.

Working Principle: Load Despatch Centres operate on a hierarchical structure to monitor grid frequency, manage voltage profiles, and supervise power flow across regional interconnections. NERLDC utilizes SCADA (Supervisory Control and Data Acquisition) and WAMS (Wide Area Measurement System) technologies to process real-time telemetry data from regional substations, enabling automated balancing of generation and load to maintain grid stability.

Key Formulas: $P_{flow} = \frac{|V_1||V_2|}{X} \sin(\delta)$ — Represents real power flow between nodes in a transmission system, vital for dispatch calculations.; $\Delta f = -K_p \cdot \Delta P_L$ — Illustrates the frequency deviation sensitivity in an interconnected grid during load changes.

Key Points: NERLDC monitors the grid covering states like Assam, Meghalaya, Tripura, etc.; It acts under the provisions of the Electricity Act, 2003.; The primary objective is the 'Optimum Scheduling and Despatch' of electricity.; It maintains the grid frequency within the IEGC (Indian Electricity Grid Code) specified range.

Advantages: Ensures grid reliability through coordinated real-time control.; Facilitates inter-regional energy exchange optimization.

Disadvantages: High sensitivity to communication latency in remote areas.; Complex coordination required during renewable energy integration.

Applications: Real-time grid frequency management.; Energy accounting and settlement systems.; Supervision of interstate transmission lines.

Additional Info: Grid Controller of India Limited (formerly POSOCO) manages the National, Regional, and State Load Despatch Centres.. Option A (New Delhi) is the location of the National Load Despatch Centre (NLDC).. Option C (Bhopal) is not the location for any Regional Load Despatch Centre.. Option D (Kolkata) is the location of the Eastern Regional Load Despatch Centre (ERLDC).

Answer: B is correct — The North Eastern Regional Load Despatch Centre (NERLDC) is located in Shillong, Meghalaya.

Exam Tip: Remember the regional mapping: NLDC (Delhi), NERLDC (Shillong), ERLDC (Kolkata), WRLDC (Mumbai), SRLDC (Bengaluru), and NRLDC (Delhi).

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