Power plant control systems installed in Japan
Commissioning a system for monitoring, control and remote supervision of photovoltaic plants, skytron have begun work on the island of Hokkaido in Japan. With a total capacity of 10.32MWp and an annual electricity generation of 11million kWh, the ‘Date’ solar farm, run by operator saferay Pte, supplies more than 3,000 Japanese households with clean energy.
While previous Japanese projects by skytron energy did not involve any power plant control requirements, the installation could only be connected to grid operator HEPCO’s system using the special CDT (Cyclic Digital Data Transmission) remote control interface of service provider Ohkura Electric.
Thomas Gnefkow, Managing Director of saferay Pte said: “We have relied on skytron energy’s proven technologies for years to monitor and control our power plants. The advantage of the state-of-the-art monitoring system by skytron energy is to be found precisely in its modular construction, which allows the skycontrol power plant controller to be modified easily.”
He continued: “Combined with the complete system solution by skytron energy – the intelligent combiner boxes, the data logger system, the weather and irradiation sensors and SCADA software – the company not only guarantees trouble-free operation, it also optimises the yields of our solar power plant.”
To implement control using the skycontrol power plant controller, this special remote control interface had to be connected to the system of grid operator HEPCO - Hokkaido Electric Power Co.
“The CDT interface to the grid operator allows it to send set-point values to the system and receive our operating data reports, which is why we adapted our skycontrol power plant controller to these digital and analogue inputs and outputs,” reported Nicolas Plenge, Regional Sales Head APAC at skytron energy.
Plenge added: “Thanks to the excellent cooperation with Ohkura for HEPCO and the linguistic help from our local support team, everything went smoothly.”
To cope with increasing demand in Japan and ensure timely local support there, skytron energy will open a subsidiary in Tokyo, Japan in Q2/2017.
The ‘Date’ project features the full product range of skytron energy, guaranteeing maximum plant performance: the skycontrol Pro power plant controller, the skylog local data logger system, the intelligent ArrayGuard FH combiner boxes, the skyCONNi-Sun universal weather station and the PVGuard supervision platform.
That allows the entire power plant to be monitored optimally and guarantees maximum plant performance and top returns for investors.
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