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The G&G Blog
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Jan 19, 20242 min read
Replacing failed Hydrovar inverters
Let’s start by calling it – the previous generation of Hydrovar inverters had a flaw. Sometimes when the power to the inverters is...
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Jan 12, 20241 min read
Electrical Symbols – Electronic Filters
What are the IEC symbols for frequency regulating products such as IRF filters and EMI filters.
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Jan 5, 20242 min read
Why do stepping relays fail on pump control panels?
Every pump engineer up and down the country has replaced a stepping relay in a control panel. It's basically a rite of passage - you're...
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