17768224. FAILURE DIAGNOSIS DEVICE FOR SOLAR BATTERY STRING, SOLAR POWER GENERATION SYSTEM EQUIPPED WITH SAME, AND FAILURE DIAGNOSIS METHOD FOR SOLAR BATTERY STRING simplified abstract (Mitsubishi Electric Corporation)

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FAILURE DIAGNOSIS DEVICE FOR SOLAR BATTERY STRING, SOLAR POWER GENERATION SYSTEM EQUIPPED WITH SAME, AND FAILURE DIAGNOSIS METHOD FOR SOLAR BATTERY STRING

Organization Name

Mitsubishi Electric Corporation

Inventor(s)

Takayuki Morioka of Tokyo (JP)

Hidetada Tokioka of Tokyo (JP)

FAILURE DIAGNOSIS DEVICE FOR SOLAR BATTERY STRING, SOLAR POWER GENERATION SYSTEM EQUIPPED WITH SAME, AND FAILURE DIAGNOSIS METHOD FOR SOLAR BATTERY STRING - A simplified explanation of the abstract

This abstract first appeared for US patent application 17768224 titled 'FAILURE DIAGNOSIS DEVICE FOR SOLAR BATTERY STRING, SOLAR POWER GENERATION SYSTEM EQUIPPED WITH SAME, AND FAILURE DIAGNOSIS METHOD FOR SOLAR BATTERY STRING

Simplified Explanation

The patent application describes a failure diagnosis device for a solar battery string, which includes multiple solar battery modules connected in series with common electrical connections. The device applies DC voltage, measures potential between the electrodes and frames of the modules, and determines the position of a faulty module based on the measured potential.

  • Explanation of the patent/innovation:
 * Solar battery string failure diagnosis device
 * Multiple solar battery modules connected in series
 * Common electrical connections
 * DC voltage application
 * Potential measurement between electrodes and frames
 * Faulty module position determination

Potential Applications

The technology can be applied in:

  • Solar power generation systems
  • Renewable energy systems
  • Industrial power plants

Problems Solved

The technology addresses issues such as:

  • Identifying faulty solar battery modules
  • Improving maintenance efficiency
  • Ensuring optimal performance of solar battery strings

Benefits

The benefits of this technology include:

  • Enhanced reliability of solar power systems
  • Reduced downtime due to quick fault detection
  • Increased overall efficiency of solar battery strings

Potential Commercial Applications

The technology can be commercially benefit:

  • Solar energy companies
  • Maintenance service providers
  • Renewable energy equipment manufacturers

Possible Prior Art

One possible prior art for this technology could be:

  • Failure diagnosis devices for electrical circuits
  • Solar panel monitoring systems

What are the safety measures implemented in the device?

Safety measures in the device may include insulation of high voltage components and grounding to prevent electrical hazards.

How does the device handle variations in solar power generation?

The device may have built-in algorithms to account for fluctuations in solar power generation and ensure accurate fault diagnosis regardless of varying conditions.


Original Abstract Submitted

A failure diagnosis device for a solar battery string includes a plurality of solar battery modules having solar power generation parts and conductive frames, wherein the plurality of solar battery modules are electrically connected in series, and the frames of the plurality of solar battery modules electrically have common connection. The failure diagnosis device includes: a voltage supply part applying DC voltage between a positive electrode and a negative electrode of the plurality of solar battery modules connected in series; a measurement part measuring potential, generated by applying the DC voltage, between the positive electrode or the negative electrode of the plurality of solar battery modules connected in series and each of the frames; and a failure determination part determining a position of a faulty solar battery module in the solar battery string based on the potential measured by the measurement part.