Construction of the 35 kV switchgear at HPP Dubrava to enable the connection of SE Donja Dubrava and SE Sveta Marija solar power plants, and the construction of 35 kV cable lines for the interpolation of HPP Dubrava – HPP Dubrava Switchgear – Kotoriba transmission line, including the connection to the 110/35 kV transformer at HPP Dubrava, for the client HEP – ODS d.o.o., Elektra Čakovec.
Equipement Delivered
- 35 kV switchgear
- Earthing system, lightning protection, and outdoor lighting
- Auxiliary transformer and auxiliary AC power supply system (400/231 V, 50 Hz)
- Auxiliary DC power supply system (110 V DC)
- Relay protection, control, signaling, billing, and operational measurement systems
- Fire alarm system
- Station computer cabinet
- 35 kV cable layout
Scope of Work
- Preparation of the complete main and detailed electrical design (execution project)
- Preparation of relay protection settings
- Facility construction – civil and electrical engineering works
- Parameterization, configuration, testing, and commissioning of all delivered equipmentParameterization, configuration, testing, and commissioning of all delivered equipment
- Integration of the facility into the HEP-ODS remote control system
