james.wilson Posted May 25, 2013 Posted May 25, 2013 One for CG really id guess http://www.bbc.co.uk/news/business-22665918 securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount.
matthew.brough Posted May 25, 2013 Posted May 25, 2013 Very interesting. Be interested to know how easy it would be to jailbreak so that it told the leccy board you were using 1/2 your real usage. This would worry me from their point of view. www.securitywarehouse.co.uk/catalog/
cybergibbons Posted May 25, 2013 Posted May 25, 2013 I know a lot of people working on this stuff. They use similar chips to those used in many alarm systems. Some of the mistakes being made are really basic. The real risk comes from the utility system making decisions based on power consumption of individuals... I have a blog, some of which is about alarm security and reverse engineering:http://cybergibbons.com/
matthew.brough Posted May 25, 2013 Posted May 25, 2013 I know a lot of people working on this stuff. They use similar chips to those used in many alarm systems. Some of the mistakes being made are really basic. The real risk comes from the utility system making decisions based on power consumption of individuals... Just think how a custom firmware that told porkies to the energy companies would be worth. www.securitywarehouse.co.uk/catalog/
PeterJames Posted May 25, 2013 Posted May 25, 2013 The electrical companies do have an idea on where they are losing power (through theft) thats how a lot of these canibis factories are found. Our locksmith gets called to open doors or resecure properties that have been rented then turned into canibis factories he reckons its always the leccy board that has traced them because the meter has been bypassed and loads of electricity is being used
matthew.brough Posted May 25, 2013 Posted May 25, 2013 The electrical companies do have an idea on where they are losing power (through theft) thats how a lot of these canibis factories are found. Our locksmith gets called to open doors or resecure properties that have been rented then turned into canibis factories he reckons its always the leccy board that has traced them because the meter has been bypassed and loads of electricity is being used I've no idea how the grid or local distribution works but would be interested to have an idea. I just resumed that a big set of cables (4.0mm as being in the ground it will keep it nice and cool) and that each premises had a glorified big choc block to connect it in. If there is some more sophisticated monitoring locally then a big discrepancy might be easy to spot. www.securitywarehouse.co.uk/catalog/
PSE Posted May 25, 2013 Posted May 25, 2013 As we all know, Power to your property is supplied through either below ground or above ground. Your supply that will be feeding your property on pavement side will be 3 Phase, Cable sizes are typically from 35mm upwards, Sizes are are generally dependant on the maximum demand factoring. These 3 Phase cables will run back to a local transformer / mini substation thats found in your local area Also known and refered to as HV Phase transformers, these can hold in excess of 10,000 Volts at sourceFrom your pavement, at your domestic property entrance you will have a terminated joint, Known as a branch kit This will have a seperate cable, called "Concentric cable" Only has a Live & Earth conducter inside it and is 25mm diameter The connections are filled with an epoxy resin to seal the joint from moisture and can be buried after just 45 minutes setting. Power companies do monitor their HV lines, they are managed by a regional control centre, If a fault occurs, they know within seconds. The control centre does monitor individual localised substations throughout their regions and they CAN see the realtime what happens. I do know that they are able to detect excessive consumption on a specific HV Transformer (Local Substation) and audit its output. If they were to suspect or detect excessive usage through the control centre, They visit the local HV and assess it on a per phase basis. They carry out a variety of tests per phase and again, calculate and audit accordingly. If they for example found the RED Phase to be excessive, They do have a list of property's that are fed from that specific phase, But are unable to state which property it could be without further testing and load measurement being carried out.The long and short of this is simple, If the odd one or two people who were on the same phase managed to bypass it, it would go unnoticed. If there was enough people on the same phase to do it, Bells would ring due to the load imbalance of the phases, This is how they do it. Its important to remember that power companies do have a tollerance guide for earth leakage and power loss, Not sure exactly what it is. A mate of mine works for Western Distribution, He does the callouts to suspect dodgy property's, Makes an interesting chat over a brew.
james.wilson Posted May 25, 2013 Author Posted May 25, 2013 the issue is or may be lost revenue. But im hoping cg is gonna save me a fortune As we all know, Power to your property is supplied through either below ground or above ground. Your supply that will be feeding your property on pavement side will be 3 Phase, Cable sizes are typically from 35mm upwards, Sizes are are generally dependant on the maximum demand factoring. These 3 Phase cables will run back to a local transformer / mini substation thats found in your local area Also known and refered to as HV Phase transformers, these can hold in excess of 10,000 Volts at sourceFrom your pavement, at your domestic property entrance you will have a terminated joint, Known as a branch kit This will have a seperate cable, called "Concentric cable" Only has a Live & Earth conducter inside it and is 25mm diameter The connections are filled with an epoxy resin to seal the joint from moisture and can be buried after just 45 minutes setting. Power companies do monitor their HV lines, they are managed by a regional control centre, If a fault occurs, they know within seconds. The control centre does monitor individual localised substations throughout their regions and they CAN see the realtime what happens. I do know that they are able to detect excessive consumption on a specific HV Transformer (Local Substation) and audit its output. If they were to suspect or detect excessive usage through the control centre, They visit the local HV and assess it on a per phase basis. They carry out a variety of tests per phase and again, calculate and audit accordingly. If they for example found the RED Phase to be excessive, They do have a list of property's that are fed from that specific phase, But are unable to state which property it could be without further testing and load measurement being carried out.The long and short of this is simple, If the odd one or two people who were on the same phase managed to bypass it, it would go unnoticed. If there was enough people on the same phase to do it, Bells would ring due to the load imbalance of the phases, This is how they do it. Its important to remember that power companies do have a tollerance guide for earth leakage and power loss, Not sure exactly what it is. A mate of mine works for Western Distribution, He does the callouts to suspect dodgy property's, Makes an interesting chat over a brew. wow. you trying to be the new arfur mo? securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount.
PSE Posted May 25, 2013 Posted May 25, 2013 Nar . . . Not at all mate, Just thought I would contribute something that people may find interesting.. Plus, I am bored sitting here in the office, got nowt else to do till the phone rings.
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