Swedish authorities have acknowledged {the electrical} and fireplace hazards brought on by improper deployment of plug-in photo voltaic modules.
The Swedish Electrical Security Authority (Elsäkerhetsverket) has issued a warning in regards to the dangers posed by plug-in photo voltaic modules, which are sometimes used on balconies. Mentioned Electrical energy and fireplace are the principle dangers related to a defective plug-in panel.
“For these merchandise, there are lots of conditions that may trigger these dangers,” stated Elsäkerhetsverket spokesperson Mikael Carlson. pv journal. “The laws state {that a} fault can not result in an electrical shock or fireplace. As a result of these merchandise use plugs with accessible pins, this isn’t achieved.
The Swedish Electrical Security Authority stated that the pins of the plugs could be harmful even when they don’t seem to be within the sockets.
“There’s additionally a danger of being electrocuted by the electricians who’re doing {the electrical} set up work within the constructing, not understanding that there are native PV-generators related to the system that could possibly be defective,” stated Carlson. “If there are native turbines which might be mistakenly feeding disconnected networks, there’s a danger of electrocution to technicians throughout work.
Elsäkerhetsverket stated that plug-in panels can catch fireplace as a result of their present could exceed {the electrical} design of the programs.
“It’s potential to devour extra energy than {the electrical} wires measured if the fuse for the feed-in outlet additionally provides one other outlet, which may end up in fires,” stated Carlson. “If many flats join these merchandise and so they all find yourself in the identical part, it may possibly additionally trigger issues within the constructing’s electrical system, reminiscent of fires.”
Elsäkerhetsverket tells residence house owners to depend on skilled installers for PV system dimensioning.
“The usual SS 43640400 doesn’t enable for plug-in options, so the product should be completely related to {the electrical} system of the property,” stated Carlson. “The affected elements of {the electrical} system should be measured for of this modification and warning indicators should be utilized within the applicable areas of the constructing.”
He stated this is the accountability of producers to be effectively knowledgeable about regulatory frameworks and compliance with authorized necessities.
“The ‘Blue Information’ from the European Fee is an efficient start line and relevant requirements could be ordered from SEK Svensk Elstandard,” says Carlson.
The Swedish Electrical Security Authority stated there could be different authorized necessities, reminiscent of constructing permits or requests from native emergency providers, that should be taken under consideration when putting in photo voltaic panels on balconies.
“The set up may additionally require pre-approval from the proprietor of the grid, and the electrical energy meter should be modified in order that any feed to the grid could be measured,” concluded Carlson.
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