Scientists in Russia have analyzed the most important technological advances achieved for solar water pumps over the past decades and have indicated the roadmap that future research should follow to expand their use and application.
The prime minister again emphasized the need for India to develop a domestic solar manufacturing industry and also urged officials to get on with plans to make Ladakh carbon-neutral.
Researchers from the Vellore Institute of Technology have tested a new inverter topology with a single-phase, induction-motor water pump. The seven-level inverter, with five power semiconductor switches, is said to be particularly efficient at reducing switching losses thanks to a pulse width modulation technique.
Increased funding under the KUSUM Scheme to create further markets in farmland solar, viability gap funding to promote installation of grid-connected battery storage, and R&D support to zero-carbon technologies for cement and steel sectors would take India ahead on the green path—says the sustainability thinktank.
Spanish researchers have developed an analytical model to optimize the operation of PV water pumping systems. They say simultaneously irrigating different parts of a farm could help minimize costs and maximize energy use. The model was tested on an olive farm divided into four zones in the Spanish province of Almería.
The government’s KUSUM scheme helps farmers install standalone solar pumps with a capacity of up to 7.5 hp. There is also support to make grid connected pumps of the same size solar powered. A PV capacity of up to twice the pump capacity in kW is allowed under the scheme.
A memorandum of understanding signed by the institutions was not solar specific but the use of PV modules for shading, especially in agriculture, can reduce water consumption and help halt the expansion of deserts.
The President of India has approved total central financial support of Rs34,422 crore for the Kisan Urja Suraksha Evam Utthan Mahaabhiyan (KUSUM) rural solar scheme. Through the scheme, the government aims to add solar and other renewable capacity of 25.75 GW by 2022.
The government of India has approved central financial support of more than Rs46,000 crore by 2022 to promote solar among farmers and in the residential sector. The KUSUM scheme for farmers has been allocated Rs34,422 crore and the rooftop solar program Rs11,814 crore.
The Ministry of New & Renewable Energy (MNRE) has invited comments of all the stakeholders on the solar PV water pumping system specifications set by the Bureau of Indian Standards (BIS).
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