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access icon free User centric economic demand response management in a secondary distribution system in India

© The Institution of Engineering and Technology
Received 02/05/2018, Accepted 04/10/2018, Revised 21/09/2018, Published 15/10/2018

This study presents a demand response (DR) model to curtail the load during peak hours in a secondary (230/440 V) distribution system of Tamil Nadu Generation and Distribution Corporation (TANGEDCO), a state-owned enterprise, India. TANGEDCO penalises utilities if they violate their permitted contractual limit of demand. Conventional demand control usually curtails a specific region of the secondary distribution network. The limitation of the complete blackout of the particular region in the distribution network increases the loss of load probability. Hence, this project implements an economic DR model in real time using demand side forecasting and by scheduling air-conditioning loads based on their priority. The pilot project is executed and is monitored at the National Institute of Technology, Tiruchirappalli, India campus. A standard back propagation neural network is used for forecasting a 15 min interval ahead maximum demand in kVA. This economic model comprises of a communication network that uses ON/OFF switching wirelessly controlled relay modules. Finally, the benefits and the strategy involved in the project are presented. It is found that the proposed scheme prevents the electrical demand from exceeding the contractual limit, whereby the penalty due to the violation is zeroed when compared to the previous year.

Inspec keywords: telecommunication switching; power generation scheduling; backpropagation; probability; power distribution economics; power engineering computing; neural nets; relay networks (telecommunication); demand side management; radio networks

Other keywords: India; loss-of-load probability; back propagation neural network; National Institute of Technology; TANGEDCO; user centric economic demand response management; economic DR model; ON-OFF switching; contractual limit-of-demand; Tiruchirappalli; electrical demand; Tamil Nadu Generation and Distribution Corporation; secondary distribution network; communication network; demand response model; secondary distribution system; economic model; air-conditioning load scheduling; state-owned enterprise; demand side forecasting; wirelessly controlled relay modules

Subjects: Power engineering computing; Neural computing techniques; Other topics in statistics; Distribution networks; Other topics in statistics; Power system management, operation and economics; Radio links and equipment; Communication switching

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