Reference · Small hydro power plants · Energetics
Maximum from every flow:Small hydro-power plant 90 kW Čoltovo
Customer challenge
VONSCH solution - turnkey
The device can supply the electricity to the grid even during a minimum flow of water, with high quality of current: (cos φ = -1, the current THD 5%). The device is equipped with an emergency electro-hydraulic. The generator is connected to the screw turbine via a gear. The level of the water is detected by an ultrasonic level sensor and locks level are automatically controlled by DC drives. DC drives have backup power from a battery that is recharged by FOTO CHARGER DC 48 charger. Automatic control system is provided by the control system. The system evaluates generator bearing temperature, transmission oil temperature, bearing temperature turbine position locks using limit switches, water level of the river. The entire system is monitored remotely via eWON industrial router.
Scope of delivery (technical specification)
- Technical solution
- Switchboard design +RM-MVE
- MVE CONTROL
- Installation
- Custom software
- Commissioning
Project in numbers
What the customer gained
- Higher annual yield — the converter extracts the maximum even from minimal flow.
- Grid-quality supply (cos φ = −1, THD < 5 %) — no issues with the distribution operator.
- Reliable operation without permanent staff — automatic gate and level control.
- Remote monitoring and diagnostics — fast response to changing flow.
- Backup DC supply for the gate drives — safe shutdown even during a grid outage.
Why VONSCH
We reduce the risk of a wrong decision - from design to service you deal with a single partner who stands behind the solution.
- A manufacturer, not a reseller - we develop and build power electronics in Brezno, Slovakia.
- A turnkey solution - one responsibility from design through installation to commissioning.
- Service and spare parts from Slovakia throughout the entire lifetime of the equipment.
