The Evolution of Distributed Electrical Power - Revision history

Ranisha at 10:29, 22 January 2016

2016-01-22T10:29:40Z

Fungai Cecilia Sandamu at 09:29, 7 May 2014

2014-05-07T09:29:34Z

Fungai Cecilia Sandamu at 09:26, 7 May 2014

2014-05-07T09:26:57Z

Fungai Cecilia Sandamu at 09:00, 7 May 2014

2014-05-07T09:00:57Z

Fungai Cecilia Sandamu at 08:59, 7 May 2014

2014-05-07T08:59:39Z

Fungai Cecilia Sandamu at 08:48, 7 May 2014

2014-05-07T08:48:05Z

Fungai Cecilia Sandamu at 08:44, 5 May 2014

2014-05-05T08:44:21Z

Fungai Cecilia Sandamu at 12:21, 30 April 2014

2014-04-30T12:21:00Z

Fungai Cecilia Sandamu: Text replace - "http://eco.energypedia.info/wiki/Innovating_Energy_Access_for_Remote_Areas:_Discovering_Untapped_Resources#About" to "Innovating_Energy_Access_for_Remote_Areas:_Discovering_Untapped_Resources#About"

2014-04-24T18:36:12Z

Text replace - "http://eco.energypedia.info/wiki/Innovating_Energy_Access_for_Remote_Areas:_Discovering_Untapped_Resources#About" to "Innovating_Energy_Access_for_Remote_Areas:_Discovering_Untapped_Resources#About"

Fungai Cecilia Sandamu at 15:18, 23 April 2014

2014-04-23T15:18:40Z

@@ Line 1: / Line 1: @@
 [[File:MES Berkley small.png|center|800px|Innovating Energy Access for Remote Areas: Discovering Untapped Resources|alt=Innovating Energy Access for Remote Areas: Discovering Untapped Resources|link=Innovating Energy Access for Remote Areas: Discovering Untapped Resources]]
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 __NOTITLE__
 [[Category:Conference_Documentation]]

@@ Line 1: / Line 1: @@
 [[File:MES Berkley small.png|center|800px|Innovating Energy Access for Remote Areas: Discovering Untapped Resources|alt=Innovating Energy Access for Remote Areas: Discovering Untapped Resources|link=Innovating Energy Access for Remote Areas: Discovering Untapped Resources]]
@@ Line 26: / Line 27: @@
 <span style="line-height: 1.5em;">[http://www.nextekpower.com/ Nextek Power Systems Inc]. CEO Paul Savage </span><span style="line-height: 1.5em;">addressed some of the business and technological challenges that face micro-grid energy stakeholders in his speech on 'The Evolution of Distributed Electricity Generation.'</span>
-DC electrical grids have as yet not been applied for widespread public utility use. Their limited distribution range (a result of their late 1800s technology) couldn't compete with AC’s transmission abilities. One of the primary uses for DC power is elevator motors, dating from before 1930, that are still in use. These “winding drum” motors, outlawed after 1940 for safety reasons, were grandfathered in. They persist due to the enormous cost of replacing them with new elevator systems. Despite this, there is one DC grid, located in San Francisco that has been operating since 1879, three years before Thomas Edison opened his New York DC power plant<ref name="Nextek Power Systems">Secret DC Grid Has Been Powering Parts of San Francisco Since 1879. Nextek Power Systems. http://www.nextekpower.com/blog/news/secret-dc-grid-has-been-powering-parts-of-san-francisco-since-1879/</ref>.
+DC electrical grids have as yet not been applied for widespread public utility use. Their limited distribution range (a result of their late 1800s technology) couldn't compete with AC’s transmission abilities. One of the primary uses for DC power is elevator motors, dating from before 1930, that are still in use. These “winding drum” motors, outlawed after 1940 for safety reasons, were grandfathered in. They persist due to the enormous cost of replacing them with new elevator systems. Despite this, there is one DC grid, located in San Francisco that has been operating since 1879, three years before Thomas Edison opened his New York DC power plant<ref name="Nextek Power Systems">Secret DC Grid Has Been Powering Parts of San Francisco Since 1879. Nextek Power Systems. http://www.nextekpower.com/blog/news/secret-dc-grid-has-been-powering-parts-of-san-francisco-since-1879/</ref>. Learn more [http://www.nextekpower.com/blog/news/secret-dc-grid-has-been-powering-parts-of-san-francisco-since-1879/ here].
 Learn more [http://www.nextekpower.com/blog/news/secret-dc-grid-has-been-powering-parts-of-san-francisco-since-1879/ here].
 | [[File:Nextek Power Systems - The Evolution of Distributed Electrical Power.pdf|border|right|300px|File:Nextek Power Systems - The Evolution of Distributed Electrical Power.pdf|alt=File:Experience from First Solar Mini Grid Service in Bangladesh.pdf]]
@@ Line 36: / Line 36: @@
 == Issues Presented ==
 *In our lifetime, the load (what we use electricity for), has gone from almost entirely AC to entirely DC. Not a lot of semi-conductors were in use before the 1970's.
 *Power converters can take AC to DC, or DC to AC, however, a more ideal state would have fewer conversions. What does this mean for battery storage?
@@ Line 83: / Line 84: @@
 __NOTITLE__
 [[Category:Electricity]]

@@ Line 1: / Line 1: @@
 [[File:MES Berkley small.png|center|800px|Innovating Energy Access for Remote Areas: Discovering Untapped Resources|alt=Innovating Energy Access for Remote Areas: Discovering Untapped Resources|link=Innovating Energy Access for Remote Areas: Discovering Untapped Resources]]
@@ Line 25: / Line 24: @@
 |-
+|
-<span style="line-height: 1.5em;">[http://www.nextekpower.com/ Nextek Power Systems Inc]. CEO Paul Savage </span><span style="line-height: 1.5em;">addressed some of the business and technological challenges that face microgrid energy stakeholders in his speech on 'The Evolution of Distributed Electricity Generation.'</span>
+<span style="line-height: 1.5em;">[http://www.nextekpower.com/ Nextek Power Systems Inc]. CEO Paul Savage </span><span style="line-height: 1.5em;">addressed some of the business and technological challenges that face micro-grid energy stakeholders in his speech on 'The Evolution of Distributed Electricity Generation.'</span>
-−
-DC electrical grids have as yet not been applied for widespread public utility use. Their limited distribution range (a result of their late 1800s technology) couldn’t compete with AC’s transmission abilities. One of the primary uses for DC power is elevator motors, dating from before 1930, that are still in use. These “winding drum” motors, outlawed after 1940 for safety reasons, were grandfathered in. They persist due to the enormous cost of replacing them with new elevator systems<span style="line-height: 1.5em;">. </span><span style="line-height: 1.5em;">Despite this, there is one DC grid, located in San Francisco that has been operating since 1879, three years before Thomas Edison opened his New York DC power plant</span><ref name="Nextek Power Systems">Secret DC Grid Has Been Powering Parts of San Francisco Since 1879. Nextek Power Systems. http://www.nextekpower.com/blog/news/secret-dc-grid-has-been-powering-parts-of-san-francisco-since-1879/</ref><span style="line-height: 1.5em;">.</span>
 Learn more [http://www.nextekpower.com/blog/news/secret-dc-grid-has-been-powering-parts-of-san-francisco-since-1879/ here].
@@ Line 38: / Line 36: @@
 == Issues Presented ==
-*In our lifetime, the load (what we use electricity for), has gone from almost entirely AC to entirely DC. Not a lot of semi-conductors were in use before the 1970s.
+*In our lifetime, the load (what we use electricity for), has gone from almost entirely AC to entirely DC. Not a lot of semi-conductors were in use before the 1970's.
-*Power convertors can take AC to DC, or DC to AC, however, a more ideal state would have fewer conversions. What does this mean for battery storage?
+*Power converters can take AC to DC, or DC to AC, however, a more ideal state would have fewer conversions. What does this mean for battery storage?
-*The adoption of DC in developed countries has been mostly influenced by fuel optionality and efficiency factors. Eg:
+*The adoption of DC in developed countries has been mostly influenced by fuel optionality and efficiency factors. E.g.:
 **DTE Energy, the largest utilities in USA, have 2 floors of their headquarters for DC power to run their lighting systems. This DC house is built in their parking lot.<br/>
 **PNC Bank put DC lighting in their first net zero bank, and have 2,500 more to go!<br/>
@@ Line 62: / Line 60: @@
 **Intel have a whole power lab in New Mexico. Lennox have solar assisted products. All the autos are looking at integrated charging structure, economics of providing buffer to grid. Integrated battery system.
 *IEEE Pilot in Haiti: demonstrating how DC can advance efficiency and interoperability. Yellow box: has USB port for phone charging. 40 of the boxes can fit in charging container under solar panel.
-**System designed by one of the Nextek employees. A frame is also built to load and unload from a pickup truck. Designed for best use, and not for cost, in the beginning. Put together open source design book. Anyone can build the mechanicals. Brings price down to $14,000 a unit, totally built = $28,000 a unit.
+**System designed by one of the Nextek employees. A frame is also built to load and unload from a pickup truck. Designed for best use, and not for cost, in the beginning. Put together open source design book. Anyone can assemble the mechanical parts. Brings price down to $14,000 a unit, totally built = $28,000 a unit.
 **Deliver into the market that covers 80 families in four days after local infrastructure established. At the end of the day, the loads are the same, no reason to design around an old platform.<br/>
@@ Line 73: / Line 71: @@
 . 1 cent per person per day means what?<br/>
-*Cost from the customer. First deployment, cost of kerosene in Haiti, built to that price. Drove open source plan. Could have business in accessories. To get the job done, can bring customer for 1cent a day for a family of five.<br/>
+*Cost from the customer. First deployment, cost of kerosene in Haiti, built to that price. Drove open source plan. Could have business in accessories. To get the job done, can bring customer for 1 cent a day for a family of five.<br/>
 <br/>
@@ Line 85: / Line 83: @@
 __NOTITLE__
 [[Category:Conference_Documentation]]

@@ Line 31: / Line 31: @@
 Learn more [http://www.nextekpower.com/blog/news/secret-dc-grid-has-been-powering-parts-of-san-francisco-since-1879/ here].
-| [[File:Nextek Power Systems - The Evolution of Distributed Electrical Power.pdf|border|right|250px|File:Nextek Power Systems - The Evolution of Distributed Electrical Power.pdf|alt=File:Experience from First Solar Mini Grid Service in Bangladesh.pdf]]
+| [[File:Nextek Power Systems - The Evolution of Distributed Electrical Power.pdf|border|right|300px|File:Nextek Power Systems - The Evolution of Distributed Electrical Power.pdf|alt=File:Experience from First Solar Mini Grid Service in Bangladesh.pdf]]
 |}
@@ Line 40: / Line 40: @@
 *In our lifetime, the load (what we use electricity for), has gone from almost entirely AC to entirely DC. Not a lot of semi-conductors were in use before the 1970s.
 *Power convertors can take AC to DC, or DC to AC, however, a more ideal state would have fewer conversions. What does this mean for battery storage?
-*The adoption of DC in developed countries has been mostly influenced by fuel optionality and efficiency factors. Eg:<br/>
+*The adoption of DC in developed countries has been mostly influenced by fuel optionality and efficiency factors. Eg:
-**DTE Energy, the largest utilities in USA, have 2 floors of their headquarters for DC power to run their lighting systems. This DC house is built in their parking lot. <br/>
+**DTE Energy, the largest utilities in USA, have 2 floors of their headquarters for DC power to run their lighting systems. This DC house is built in their parking lot.<br/>
-**PNC Bank put DC lighting in their first net zero bank, and have 2,500 more to go! <br/>
+**PNC Bank put DC lighting in their first net zero bank, and have 2,500 more to go!<br/>
-**In Japan DC micro-grids were the only source of electricity for miles after the tidal wave. <br/>
+**In Japan DC micro-grids were the only source of electricity for miles after the tidal wave.<br/>
 **The Sun blazer One designed and built by Nextek, charging station has deep cycle batteries. It provides 3 days of light and cellphone charging. Whole Foods Berkeley was one of their first customers and they love the DC system which rides through their outages.
-*Areas with the largest changes taking place: <br/>
+*Areas with the largest changes taking place:
-**Lighting is intrinsically DC. <br/>
+**Lighting is intrinsically DC.<br/>
-**Displays: retail advertising on every shelf of the store. <br/>
+**Displays: retail advertising on every shelf of the store.<br/>
-**Vehicles: as more electric vehicles, more charging stations needed, naturally gravitating towards DC. <br/>
+**Vehicles: as more electric vehicles, more charging stations needed, naturally gravitating towards DC.<br/>
-**Computing: giant consumer of DC. <br/>
+**Computing: giant consumer of DC.<br/>
 **Developing world issues are being addressed through micro grids. Most of the world isn’t waiting for AC infrastructure. Thus they are huge drivers economically – a big piece of business.
-*Efficiency gains from AC to DC:<br/>
+*Efficiency gains from AC to DC:
-**It's beneficial to power storage to have batteries live in DC. <br/>
+**It's beneficial to power storage to have batteries live in DC.<br/>
-**Increased safety. <br/>
+**Increased safety.<br/>
-**You don’t need licensed electricians and it takes fewer hours to install. <br/>
+**You don’t need licensed electricians and it takes fewer hours to install.<br/>
-**The product costs less to install and is cheaper to own. <br/>
+**The product costs less to install and is cheaper to own.<br/>
-**It's reliable. For example, NNT facilities in Japan researched stopped after 7 years and went DC. <br/>
+**It's reliable. For example, NNT facilities in Japan researched stopped after 7 years and went DC.<br/>
-**Change over in buildings, you can move things around while people are working, and can work on everything hot. <br/>
+**Change over in buildings, you can move things around while people are working, and can work on everything hot.<br/>
 **Allows you to provide wireless control and cheaper cost. In the USA it is a big deal as federal investment tax credit gives 30% cost of solar back to customer. People can take this system (integrating solar and power for connected loads) –> ethical double dipping.
-*Large corporations are beginning to re-imagine their products as DC. <br/>
+*Large corporations are beginning to re-imagine their products as DC.
 **Intel have a whole power lab in New Mexico. Lennox have solar assisted products. All the autos are looking at integrated charging structure, economics of providing buffer to grid. Integrated battery system.
 *IEEE Pilot in Haiti: demonstrating how DC can advance efficiency and interoperability. Yellow box: has USB port for phone charging. 40 of the boxes can fit in charging container under solar panel.
@@ Line 69: / Line 69: @@
 == <span class="mw-headline" id="Questions_Posed">Q & A</span> ==
-. Does the price include the power box? <br/>
+. Does the price include the power box?<br/>
 *Nope, just the solar boxes. Power boxes are about $46 a piece.<br/>
@@ Line 85: / Line 85: @@
 __NOTITLE__
 [[Category:Electricity]]

@@ Line 16: / Line 16: @@
 Presenters: '''Paul Savage''', Nextek Power Systems
-Rapporteur: Seren Pendleton-Knoll
+Rapporteur: '''Seren Pendleton-Knoll'''
 <br/>
@@ Line 36: / Line 36: @@
 <br/>
-== Main Topics Discussed ==
+== Issues Presented ==
-*In our lifetime, the load (what we use electricity for), has gone from almost entirely AC to entirely DC. Not a lot of semi-conductors before 1970s.
+*In our lifetime, the load (what we use electricity for), has gone from almost entirely AC to entirely DC. Not a lot of semi-conductors were in use before the 1970s.
-*Power convertor takes AC to DC, or DC to AC. A more ideal state would have fewer conversions. Think about what this means for battery storage?
+*Power convertors can take AC to DC, or DC to AC, however, a more ideal state would have fewer conversions. What does this mean for battery storage?
-*Adoption DC in developed countries – fuel optionality, efficiency. DTE Energy largest utilities in US, have 2 floors of their headquarters for DC power to run their lighting systems. Built DC house in their parking lot. PNC Bank put DC lightening in their first net zero bank, have 2,500 more to go! In Japan DC micro grid was only source of electricity for miles after the tidal wave. Sun blazer one designed and built by Nextek, charging station has deep cycle batteries. Provides 3 days of light and cellphone charging. Whole Foods Berkeley one of their first customers – love DC system! Rides through their outages.
+*The adoption of DC in developed countries has been mostly influenced by fuel optionality and efficiency factors. Eg:<br/>
-*What we see as the areas with the largest changes taking place: lighting intrinsically DC. Displays, retail advertising on every shelf of the store. Vehicles, as more electric vehicles, more charging stations needed, naturally gravitating towards DC. Computing, giant consumer of DC. Developing world issues being addressed through micro grids. Most of the world isn’t waiting for AC infrastructure. Huge drivers economically – big piece of business.
+**DTE Energy, the largest utilities in USA, have 2 floors of their headquarters for DC power to run their lighting systems. This DC house is built in their parking lot. <br/>
-*Efficiency gains from AC to DC. Benefit to power storage to have batteries live in DC. Increased safely. Don’t need licensed electricians – takes fewer hours to install. Product costs less to install and is cheaper to own. Reliable – NNT facilities in Japan researched stopped after 7 years and went DC. Change over in buildings, move things around while people are working, can work on everything hot. Allows you to provide wireless control and cheaper cost. In US it is a big deal, federal investment tax credit gives 30% cost of solar back to customer. Can take this system (integrating solar and power for connected loads) – ethical double dipping.
+**PNC Bank put DC lighting in their first net zero bank, and have 2,500 more to go! <br/>
-*Large corporate reimaging their products as DC. Armstrong offer version of product in DC. Intel have a whole power lap in New Mexico. Lennox have solar assisted products. All the autos are looking at integrated charging structure, economics of providing buffer to grid. Integrated battery system.
+**In Japan DC micro-grids were the only source of electricity for miles after the tidal wave. <br/>
-*Emerge Alliance. Co-founder. Over 100 global electrical companies promoting DC power standards. Need to have large set of devices to plug into your DC system. Ideally need parts commonality.
+**The Sun blazer One designed and built by Nextek, charging station has deep cycle batteries. It provides 3 days of light and cellphone charging. Whole Foods Berkeley was one of their first customers and they love the DC system which rides through their outages.
 *IEEE Pilot in Haiti: demonstrating how DC can advance efficiency and interoperability. Yellow box: has USB port for phone charging. 40 of the boxes can fit in charging container under solar panel.
-*System designed by one of the Nextek employees. A frame also is built to load and unload from a pickup truck. Designed for best use, and not for cost, in the beginning. Put together open source design book. Anyone can build the mechanicals. Brings price down to $14,000 a unit, totally built = $28,000 a unit.
+**System designed by one of the Nextek employees. A frame is also built to load and unload from a pickup truck. Designed for best use, and not for cost, in the beginning. Put together open source design book. Anyone can build the mechanicals. Brings price down to $14,000 a unit, totally built = $28,000 a unit.
-*Deliver into the market that covers 80 families in four days after local infrastructure established. At the end of the day, the loads are the same, no reason to design around an old platform.<br/>
+**Deliver into the market that covers 80 families in four days after local infrastructure established. At the end of the day, the loads are the same, no reason to design around an old platform.<br/>
 <br/>
-== <span class="mw-headline" id="Questions_Posed">Questions Posed</span> ==
+== <span class="mw-headline" id="Questions_Posed">Q & A</span> ==
-. '''Does the price include the power box? '''<br/>
+. Does the price include the power box? <br/>
 *Nope, just the solar boxes. Power boxes are about $46 a piece.<br/>
-. '''1cent per person per day means what?'''<br/>
+. 1 cent per person per day means what?<br/>
 *Cost from the customer. First deployment, cost of kerosene in Haiti, built to that price. Drove open source plan. Could have business in accessories. To get the job done, can bring customer for 1cent a day for a family of five.<br/>
@@ Line 69: / Line 85: @@
 __NOTITLE__
 [[Category:Conference_Documentation]]

@@ Line 24: / Line 24: @@
 {| border="0" cellspacing="3" cellpadding="5" style="width: 800px;"
 |-
-| <br/>
 | [[File:Nextek Power Systems - The Evolution of Distributed Electrical Power.pdf|border|right|250px|File:Nextek Power Systems - The Evolution of Distributed Electrical Power.pdf|alt=File:Experience from First Solar Mini Grid Service in Bangladesh.pdf]]
 |}
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 [[Category:Electricity]]

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 {| border="0" cellspacing="3" cellpadding="0" align="center" style="font-size: 14px; width: 805px;"
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-| style="width: 175px; text-align: center; vertical-align: middle; background-color: rgb(139, 45, 45);" | [[File:MES About Icon.png|center|100px|alt=About the International DAAD-Alumni Summer School, Sustainable Provision of Rural RE|link=Innovating_Energy_Access_for_Remote_Areas:_Discovering_Untapped_Resources#About]]
+| style="width: 175px; text-align: center; vertical-align: middle; background-color: rgb(139, 45, 45);" | [[File:MES About Icon.png|center|100px|alt=About the International DAAD-Alumni Summer School, Sustainable Provision of Rural RE|link=Innovating Energy Access for Remote Areas: Discovering Untapped Resources#About]]
 | style="width: 175px; text-align: center; vertical-align: middle; background-color: rgb(200, 200, 200);" | [[File:MES Doumentation grey Icon.png|center|100px|Documentation|alt=Programme|link=Innovating Energy Access for Remote Areas: Discovering Untapped Resources - Documentation]]
 | style="width: 175px; text-align: center; vertical-align: middle; background-color: rgb(139, 45, 45);" | [[File:MES Programe Icon.png|center|100px|Programme|alt=Participants Presentations|link=Innovating Energy Access for Remote Areas: Discovering Untapped Resources - Programme]]
@@ Line 15: / Line 15: @@
 Presenters: '''Paul Savage''', Nextek Power Systems
 <br/>
@@ Line 22: / Line 24: @@
 {| border="0" cellspacing="3" cellpadding="5" style="width: 800px;"
 |-
-| ...
+| DC mICROGRIDS
 | [[File:Nextek Power Systems - The Evolution of Distributed Electrical Power.pdf|border|right|250px|File:Nextek Power Systems - The Evolution of Distributed Electrical Power.pdf|alt=File:Experience from First Solar Mini Grid Service in Bangladesh.pdf]]
 |}
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 __NOEDITSECTION__
 [[Category:Conference_Documentation]]