Chennai, Jun 1 (IANS): Global nuclear power major Russia's Rosatom on Monday said its group company OKB GIDROPRESS has completed shipment of critical components to St Petersburg's port, which was cleared by NPCIL officials.

The equipment -- a set (135 pieces) of step electromagnet drives of reactor control and protection (CPS drives SHEM-3) -- was inspected by representatives of Nuclear Power Corporation of India (NPCIL) for quality and availability for shipment, Rosatom said.

The inspectors were satisfied by the quality of production.

According to Rosatom, the CPS drives SHEM-3 is for the fourth 1,000 MW atomic power plant coming up in Kudankulam in Tirunelveli in Tamil Nadu.

India's atomic power company NPCIL) s building two more 1,000 MW reactors at Kudankulam while the first two reactors of similar capacities are generating power.

The shipment was done after successful completion of the approval tests on the benches for hot running-in and after acceptance inspection of the drives, said Rosatom.

The CPS drive SHEM-3 is intended for reactor start-up, power regulation and reactor shut-down by means of insertion of CPS absorbing rods into the core and their removal.

The drive is designed and manufactured at OKB GIDROPRESS that is a designer of all modifications of CPS step electromagnet drives for nuclear power plants with VVER-type reactors.