I. DEFINITION

A solar photovoltaic (SPV) water pumping system consists of a PV array, a DC/AC
surface mounted/ submersible/ floating motor pump set, electronics, if any, interconnect
cables and an “On-Off” switch. PV Array is mounted on a suitable structure with a
provision of tracking. Electronics could include Maximum Power Point Tracker (MPPT),
Inverter and Controls/Protections. Storage batteries will not constitute a part of the SPV
Water Pumping System.
Components and parts used in the SPV water pumping system including the PV
modules, pumps, metallic structures, cables, junction box, switch, etc. should conform
to the BIS/ IEC/ international specifications, wherever such specifications are available
and applicable.

II. PERFORMANCE SPECIFICATIONS AND REQUIREMENTS (DUTY CYCLE)
The Solar PV Water Pumping System should provide a minimum of 85 liters of water
per watt peak of PV array used per day under average daily solar radiation conditions
of 5.5 KWh/sq.m. on a horizontal surface, from a total head of 10 metres (Suction head
up to a maximum of 7 metres).
For Deep Well Pumps, the water discharge should be a minimum of 28 liters of water
per watt peak of PV array capacity used per day from a total head of 30 metres. In case
of High Head, Deep Well Pumps, the water discharge should be a minimum of 17 liters
of water per watt peak of PV array capacity used per day from

Read Technical specifications for Solar photovoltaic Water Pumping Systems JNNSM