RTPV Controller

Design and manufacturing

RTPV Controller

  • Japanese Standards & Technology
  • Load-Following & Zero-Export Solutions

The RTPV (Rooftop PV) controller is the central management device for rooftop solar energy systems. The unit supports monitoring, grid output control, anti-reverse power protection, and efficiency optimization, ensuring safe and fully compliant system operation.

Key features

  • Load-Following Control (Zero Export):

    Automatically monitors plant power consumption and adjusts inverter output, completely preventing excess power generation from feeding back into the national grid.

  • Power Management & Control:

    Supports flexible regulation of active power and power factor (cosφ), minimizing system losses and strictly meeting technical standards.

  • Data Collection & Synchronization:

    Integrates a high-speed microprocessor to collect data from sensors and inverters, continuously and reliably transmitting it to the SCADA system or central management software.

Price: Contact for a quote

Request a quote Engineer hotline

Standard Specifications

Item
Standard configuration
System Applications
Commercial & Industrial (C&I) Rooftop Solar for Self-Consumption
Key Functions
Zero Export, inverter power control
Design Standards
Japanese Technology

Solution Detail & Operating Principle

Practical Challenge

When deploying self-consumption rooftop solar PV systems, industrial plants frequently face the challenge of power output control. Utility regulations strictly prohibit feeding surplus power back into the national grid. The absence of an automated monitoring and regulation device leaves inverters operating uncontrolled, causing reverse power flow. This leads to the risk of power purchase agreement (PPA) violations or forced grid disconnection.

Product Solution

The RTPV Controller is designed as an intelligent command hub to fundamentally solve this issue. The device delivers a fully automated load-following (Zero Export) control solution. By precisely regulating inverter power output to remain at or below the plant's real-time power consumption, the product enables enterprises to optimize self-consumed solar energy, eliminate reverse power flow risks, and enhance the stability of the internal electrical system.

Operating Principle

The device operates on a closed-loop feedback mechanism. Utilizing power meters installed at the main grid interconnection point, the system continuously measures current, voltage, and consumption load parameters in real time. The central controller analyzes this data against pre-set thresholds and instantly transmits control commands via industrial communication networks to each inverter to limit, ramp up/down generation, or safely trip connections during abnormal conditions.

Safety Design & Integration Capabilities

The product features an industrial-grade enclosure built with integrated overload, short-circuit, and surge protection devices (SPD), ensuring exceptional durability under harsh manufacturing environments. It possesses robust integration capabilities via open standard communication protocols, allowing the RTPV Controller to seamlessly interface with existing SCADA monitoring systems and Energy Management Systems (EMS) without signal conflicts.

Practical Applications

The RTPV Controller is an essential infrastructure solution for manufacturing plants, industrial parks, commercial office buildings, and shopping centers operating self-consumption rooftop solar PV systems. This solution is ideal for projects requiring high automation levels and strict compliance with national grid dispatch and operator regulations.

Get a Power-Quality Survey & Switchboard Design Quote

Optimize your plant's energy costs today with a smart power-factor correction system. Hino Systech's expert engineers will run an on-site measurement survey and propose the optimal technical plan — completely free.

0866868133 Contact via Website