A
andyh
Hi All,
Looking for some advice and information from anyone who has experienced this issue or knows any additional information that may help.
I have a UPS which serves a PC so when the power fails the device keeps the PC running. This UPS also monitors the supply voltage and sounds an alarm if it steps outside certain tolerances. The alarm kept going off on a regular basis but I initially assumes it was faulty. The unit was indicating a peak voltage to the property of 267V!
Eventually I contacted our DNO, EON to try and get some additional tests done. They duly sent an engineer who's initial readings confirmed the voltage was on the high side reading 253V when he measured it at the meter. EON sent us a voltage analyser which was plugged into the mains for a week and then returned for analysis. We subsequently received a phone call from EON stating they had concerns about the voltage and would be taking various actions to resolve the issue.
The results from the analysis showed a voltage range to our property of 211 - 261V with an average over the period of 254V. This, as many of you will be aware, is outside the tolerance that EON accept which is 217 - 253V.
So far they have lowered the voltage at the main substation and had a look at our transformer. Our supply is fed underground from a transformer connected to overhead lines some way from the property. We are the only property served by this transformer. Unfortunately this transformer does not have any lower tappings and therefore cannot be adjusted.
The next process is for an EON engineer to come out to us again in the next couple of days and measure the voltage at the meter using more sophisticated equipment. Again they will be doing this over the period of one week. If the voltage is still outside tolerances they will look to replace the transformer.
Has anyone heard of this degree of voltage difference before? I am concerned that the high voltage has also caused damage over the years to various equipment we have. We have experienced an unusual number of appliance failures and AC adaptor failures. Any advice on any comeback we might have against EON? I am in the process of a new build house on the site and would like to have as stable a voltage as possible. I have been trying to ascertain if it's possible to fit a voltage stabiliser/conditioner to a domestic dwelling. Has anyone any experience of these? Is it worth doing and can anyone recommend any suppliers?
Finally if your voltage varies by a large amount does this affect the amount of electricity you use over a period of time?
Many thanks for your time and any advice appreciated.
Looking for some advice and information from anyone who has experienced this issue or knows any additional information that may help.
I have a UPS which serves a PC so when the power fails the device keeps the PC running. This UPS also monitors the supply voltage and sounds an alarm if it steps outside certain tolerances. The alarm kept going off on a regular basis but I initially assumes it was faulty. The unit was indicating a peak voltage to the property of 267V!
Eventually I contacted our DNO, EON to try and get some additional tests done. They duly sent an engineer who's initial readings confirmed the voltage was on the high side reading 253V when he measured it at the meter. EON sent us a voltage analyser which was plugged into the mains for a week and then returned for analysis. We subsequently received a phone call from EON stating they had concerns about the voltage and would be taking various actions to resolve the issue.
The results from the analysis showed a voltage range to our property of 211 - 261V with an average over the period of 254V. This, as many of you will be aware, is outside the tolerance that EON accept which is 217 - 253V.
So far they have lowered the voltage at the main substation and had a look at our transformer. Our supply is fed underground from a transformer connected to overhead lines some way from the property. We are the only property served by this transformer. Unfortunately this transformer does not have any lower tappings and therefore cannot be adjusted.
The next process is for an EON engineer to come out to us again in the next couple of days and measure the voltage at the meter using more sophisticated equipment. Again they will be doing this over the period of one week. If the voltage is still outside tolerances they will look to replace the transformer.
Has anyone heard of this degree of voltage difference before? I am concerned that the high voltage has also caused damage over the years to various equipment we have. We have experienced an unusual number of appliance failures and AC adaptor failures. Any advice on any comeback we might have against EON? I am in the process of a new build house on the site and would like to have as stable a voltage as possible. I have been trying to ascertain if it's possible to fit a voltage stabiliser/conditioner to a domestic dwelling. Has anyone any experience of these? Is it worth doing and can anyone recommend any suppliers?
Finally if your voltage varies by a large amount does this affect the amount of electricity you use over a period of time?
Many thanks for your time and any advice appreciated.
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