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September 25, 2012
Honda Develops Household Gas Engine Cogeneration Unit with
Autonomous Operation Function for Generating Electricity during Power
Outage
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TOKYO, Japan, September 25, 2012 - Honda Motor Co., Ltd. announced it will begin
sales of a new model for its household MCHP (Micro Combined Heat and Power) gas
engine cogeneration unit in November 2012, through gas utilities across Japan.
Building on its well-received predecessors that have served as the core unit in the
*1
ECOWILL household cogeneration system ,which runs by burning natural gas or LPG
(liquefied propane gas) for electricity generation and using the exhaust heat for hot
water supply and heating, the new model has an autonomous operation function that
enables system use in a power outage or other emergencies.
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MCHP1.0R, a household gas engine
cogeneration unit with an autonomous
operation function
Starting ECOWILL PLUS
through autonomous operation
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In the aftermath of the 2011 Great East Japan Earthquake, a market need has arisen
for a cogeneration system that can be used even during a power outage. The new
household gas engine cogeneration unit MCHP1.0R with an autonomous operation
function was accordingly developed based on a power generation unit that underwent
a full model change in 2011. The new model is the power generation unit of ECOWILL
PLUS, a new gas engine cogeneration system for electricity generation, hot water
supply, and heating, which will be put on sale through gas utilities. Power can be
generated independent of the utility grid by simply pulling the unit's starter grip to
start the engine. Maximum power output during autonomous operation is
approximately 980 W, which is supplied through a dedicated outlet to provide night
lighting and to enable operation of a television and a personal computer for gathering
information. Hot water for a bath and a floor heating system can also be available
during an outage.
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In 2003, Honda began sales of its first compact household cogeneration unit, which
combined a gas engine with Honda’s original sine-wave inverter power generation
technology. The unit underwent a full model change in 2011 as MCHP1.0K2,
*2
featuring Honda’s EXlink (Extended Expansion Linkage Engine) , featuring an
expansion stroke longer than its intake stroke, resulting in a high expansion ratio for
greatly increased thermal and fuel efficiency. With EXlink and Honda’s original power
generation technologies, MCHP1.0K2 achieves power generation efficiency of
*3
26.3% . In addition, thanks to its highly-efficient heat circulation system that
thoroughly recovers the heat generated by the engine, MCHP1.0K2 achieves
*4
combined power and heat generation efficiency of 92.0% . Under the brand name
ECOWILL, cogeneration systems composed of the Honda cogeneration unit and a
water heater that uses exhaust heat have been sold by gas utilities across Japan and
*5
installed in approximately 120,000 households .
Along with Honda’s distinctive generator technologies, gas-powered household
cogeneration units and solar power generation systems using thin-film solar panels
are among the featured products in Honda’s home power generation business, which
supports ecological household energy production and consumption to help realize
low-carbon society of the future.
*1 A registered trademark of Osaka Gas Co., Ltd.
*2 “EXlink,” short for Extended Expansion Linkage Engine, is a trademark of Honda Motor Co., Ltd.
2014-08-05 14:43
Honda Worldwide | September 25, 2012 "Honda Develops Household ...
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http://world.honda.com/news/2012/p120925Gas-Engine-Cogeneration-...
*3 Lower heating value (LHV) calculation
*4 LHV figure calculated with MCHP1.0K2 long-life coolant temperature at 75°C
*5 Honda calculations as of August 31, 2012
Key features of the small, gas-powered household cogeneration unit with an
autonomous operation function
As long as gas and water are supplied, the system can be started independent of
the utility grid and generates electric power whether or not the system is in
operation when a power outage occurs.
During a power outage, maximum electric power consumption of up to
approximately 980 W (AC 100 V, 980 VA) is possible through use of a dedicated
outlet for the autonomous operation, which was designed exclusively for ECOWILL
PLUS.
Honda’s portable generator technology enables easy and smooth starting of the
unit through the built-in mechanical recoil starter for the autonomous operation.
Procedure for the autonomous operation during a power outage:
(1) Disconnect the electric plug from the regular hot water supply unit, and then connect it to
the specially designed hot water supply unit for autonomous operation (on the left side).
(2) Change the selector switch for power generation mode to “Outage (autonomous)” on the
power generation unit.
(3) Pull the built-in starter grip of the power generation unit to start. After the power
generation unit has started, wait for at least 1 minute before using the system.
(1) Changing the electric
plug
(2) Changing power
generation mode
(3) Pulling the starter grip to
start the power generation
unit
During autonomous operation, the heat from the engine can be used in the following
three ways for continuous operation:
(1) Storing hot water in the supply unit
(2) Automatic operation of the bathroom dry heater
(3) Automatic hot water filling of the bathtub
2014-08-05 14:43
Honda Worldwide | September 25, 2012 "Honda Develops Household ...
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http://world.honda.com/news/2012/p120925Gas-Engine-Cogeneration-...
Main specifications of the power generation unit
Model names:
MCHP1.0R
MCHP1.0RP
Fuel:
Natural gas
LPG
Engine type:
4-stroke liquid-cooled single-cylinder OHV
Displacement:
Intake stroke volume: 110 cm
3
Exhaust stroke volume: 163 cm
3
Electricity generation type:
Multipolar sine-wave inverter power generation
Output form:
Normal operation: Single-phase three-wire system, 200 V
During power outage: Single-phase two-wire system, 100 V
Electrical output:
Normal operation: 1.0 kW (Rated output)
During power outage: Maximum of 0.98 kVA
Hookup:
Normal operation: Grid connection
During power outage: Dedicated outlet for autonomous
operation
Starting method:
Normal operation: Starter generator (automatic start with
power from utility grid)
During power outage: Recoil starter (manually operated)
Weight (installed):
76 kg (including oil)
Dimensions:
Height 750 mm x width 580 mm x depth 298 mm
(protruding parts excluded)
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2014-08-05 14:43