23 December 2025

What does investing in Power Quality give me?

Investing in Power Quality is not a cost, but a business case. It delivers immediate returns: you avoid costly downtime, [...]

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23 December 2025

Why are my earth leakage circuit breakers tripping incorrectly?

This is a common issue in sustainability. The filters in variable speed drives and inverters 'leak' a small current to earth when [...]

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23 December 2025

How do I know if my installation complies with standards?

There are various standards such as EN 50160 (for voltage at the transfer point) and the IEC 61000 series (for EMC and [...]

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23 December 2025

What are supraharmonics and why are they dangerous?

Supraharmonics are disturbances in the frequency range between 2 kHz and 150 kHz. They are mainly caused by modern inverters in [...]

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23 December 2025

Do I need a new transformer for my heat pumps?

This is not always necessary. Heat pumps are large consumers that often use variable speed drives. This puts additional strain on the transformer, both thermally [...]

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23 December 2025

Can I prevent grid congestion within my own company?

Yes, in part. Grid congestion often takes place on the grid operator's grid, but you can manage your internal capacity [...]

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23 December 2025

How do EV chargers cause problems in my installation?

Electric vehicles charging at high powers. The simultaneous initiation of multiple charging sessions causes spikes in load (inrush currents). [...]

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23 December 2025

How do solar panels affect Power Quality?

Solar photovoltaic (PV) systems generate direct current, which is converted to alternating current by an inverter (inverter). This switching process always causes some degree of [...]

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