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Buses with Hybrid Technology

Buslovers ~ Hybrid technology is getting more popular in the automotive world. Not only cars but also transit buses are now using hybrid technology to reduce carbon gas emission and lower energy usage on the road. Hybrid technology is a combination of a conventional combustion engine and electric system. For buses, hybrid engine used is commonly a diesel type of hybrid diesel.

The use of hybrid bus will reduce petroleum usage for the engine as well as reduce carbon gas that can cause the greenhouse effect. Hybrid buses are now used in many countries as public transit. You can find it in Europe, North America, Brazil, some part of Asia, and New Zealand.

Buses with Hybrid Technology 300x150 Buses with Hybrid Technology Buses with Hybrid Technology1 300x231 Buses with Hybrid Technology

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Green Buses in the World

Global warming makes people keep finding a way to live green. Public transport bus is no exception for helping the earth be a better place. The fact is that the bus is a source of carbon gas emission. Therefore, people try to create green buses that can lower pollution and help reduce global warming.

Compressed natural gas is one option because natural gas will create less pollution to the air. The second option is bio-diesel because the fuel comes from renewable resources. Then, the popular option that is already used in many developed countries is a hybrid bus. Countries such as US, UK, Germany, Canada, and more are already used hybrid buses for transit bus.

Green Buses in the World 300x200 Green Buses in the World

Large Loads Buses for Crowded CitiesTriple Decker Bus in Public Transport HistoryPublic Transit Bus in the World

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Gillig Hybrid Buses

Buslovers – gillig hybrid buses, It is a sad tale: Local bus manufacturer is bought by Daimler, manufactures hybrid bus design that sells well as far away as San Francisco and New York City. But in the home market of Toronto, they don’t work well at all. The lead-acid batteries were supposed to last four years and are dying after 18 months, at a rate of 140 batteries per week. They are using only 10% less diesel fuel instead of the 20% to 30% saving that was promised. And they cost almost 50% more to purchase in the first place.

So what is the problem?

Orion in San Francisco via After Gutenberg. It may be the routes they put them on; In Toronto many crowded downtown routes have streetcars and subways, so the buses are used on long suburban routes, whereas hybrids work best in stop and go traffic. That is why they appear to be happy with them in New York, where they are getting the promised diesel savings.hybrid buses orion san francisco 243x300 Gillig Hybrid Buses

Nobody is happy about the fact that the City is still on the hook to buy another 130 hybrids, but these will be delivered with lithium-ion batteries. But after that, it is back to Daimler “clean diesel.” Globe and Mail

Perhaps they should consider bringing back the trolley buses that we had until they cancelled them in 1993. They ran up a primarily residential street a block away from our house and were dead silent, completely non-polluting (not including the pollution from the 30% of our electricity that comes from coal) and the equipment lasted forever. The overhead wires were ugly, but that is a small price to pay for quiet, dependable transport.

t Gillig Hybrid Buses

source : http://www.treehugger.com/cars/hybrid-buses-a-bust-in-toronto.html

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Why Hybrid Buses

Buslovers – Current manufacturers of diesel-electric hybrid buses include Alexander Dennis Limited (ADL), Azure Dynamics Corporation, Ebus, Eletra (Brazil), New Flyer Industries, Gillig, ISE Corporation[disambiguation needed], Motor Coach Industries, Orion Bus Industries, North American Bus Industries, Daimler AG’s Mitsubishi Fuso, MAN, Designline, BAE Systems, Volvo Buses, Wrightbus, Castrosua and many more.

In 2006, Nova Bus, which had previously marketed the RTS hybrid before that model was discontinued, added a diesel-electric hybrid option for its LFS series as well.

In the United Kingdom, Wrightbus has introduced a development of the London ‘Double-Decker’, a new interpretation of the traditional red buses that are a feature of the extreme traffic density in London. The Wright Pulsar Gemini HEV bus uses a small diesel engine with electric storage through a lithium ion battery pack. The use of a 1.9-litre diesel instead of the typical 7.0-litre engine in a traditional bus demonstrates the possible advantages of serial hybrids in extremely traffic-dense environments. Based on a London test cycle, a reduction in CO2 emissions of 31% and fuel savings in the range of 40% have been demonstrated, compared with a modern ‘Euro-4’ compliant bus.
Also in 2005 GE introduced its hybrid electric shifters on the market. Toyota claims to have started with the Coaster Hybrid Bus in 1997 on the Japanese market. In May 2003 GM started to tour with hybrid electric buses developed together with Allison. Several hundreds of those buses have entered into daily operation in the US. The Blue Ribbon City Hybrid bus was presented by Hino, a Toyota affiliate, in January 2005. Mitsubishi Fuso have developed a diesel engine hybrid bus using lithium batteries in 2002, and this model has since seen limited service in several Japanese cities.buses Tobus B R114 BRC hybrid 300x225 Why Hybrid Buses

Since 1999, Hybrid electric buses with gas turbine generators have been developed by several manufacturers in the US and New Zealand, with the most successful design being the buses made by Designline of New Zealand. The first model went into commercial service in Christchurch (NZ) since 1999, and later models now operates daily service in Tokyo, Auckland (NZ), Hong Kong, and Newcastle upon Tyne (UK).

New Flyer, Gillig, North American Bus Industries, and Nova Bus produce hybrid electric buses using either ISE Corporation ThunderVolt, BAE System’s HybriDrive, or Allison Transmission GM’s electric drive system. wikipedia

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HYBRID BUS MORE FUEL-EFFICIENT THAN EXPECTED

Buslovers The latest version of Volvo’s hybrid bus is about 37 percent more fuel-efficient than the corresponding diesel variant, the company says. That is far better than customers and Volvo Buses’ own experts expected just a few years ago.

When Volvo Buses started field testing hybrid buses in 2007, the company calculated on a fuel saving of about 25 percent in urban operations compared with the corresponding diesel bus. When the first commercially built hybrid buses were launched two years later, their fuel consumption was about 35 percent lower. Since then the fuel consumption of new hybrid buses has dropped even more, thanks not least to lower vehicle weight and electric drive for several auxiliary systems.volvo 300x199 HYBRID BUS MORE FUEL EFFICIENT THAN EXPECTED

“The fuel data from the 260 Volvo hybrids already in service throughout the world show that reality surpasses our calculations. At the same time we are continuing to develop the technology towards even better fuel efficiency and lower emissions,” says Edward Jobson, Environment Manager at Volvo Buses.

One of Luxemburg’s largest travel and transport companies, Sales-Lentz, took delivery of its first Volvo hybrid in 2009 and now runs a total of eleven hybrids, operating both in inner-city urban traffic and in rural areas. Additional two Volvo Hybrids will be delivered in September 2012. The company maintains thorough records of its operating costs and notes that its hybrid buses more than match expectations.

“The fuel consumption of our Volvo hybrids is an average of 25.7 litres/100 kilometres, which is a very good figure. At the same time, we’re making a positive impact on the environment, which is appreciated by drivers and passengers alike,” says Jos Sales, CEO of Sales Lentz.

The choice of gearchanging system also helps cut fuel consumption, according to Volvo: her hybrid bus is equipped with I-Shift, which results in far lower energy losses than with a conventional automatic transmission.

The latest version of Volvo’s hybrid bus weighs about 500 kg less than before. This means it can carry another seven passengers, raising the vehicle’s productivity by eight percent. This in turn means that 112 Volvo hybrid buses can carry as many passengers as 130 diesel buses can.

While continuing to optimise the hybrid technology in today’s buses, Volvo Buses is also testing a variety of additional solutions such as a plug-in hybrid, where the bus’s batteries are recharged via the main electrical grid. With this system, fuel savings of up to 60 percent are possible.

Since Volvo Buses started building hybrid buses in 2010, the company has sold more than 650 units to customers in 18 countries. This makes Volvo the leading supplier of hybrid buses in Europe. source : busworld.org

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Interior,Drivers seat,Electrical System Volvo 7900 Hybrid

Buslovers will discuss about the Volvo 7900 Hybrid bus drivers starting from the set, electrical system, audio system, Pinting and labels on volvo hybrid buses. good read about the 7900 Volvo hybrid buses.
Interior Volvo 7900 Hybrid 
Materials fulfil the European Directive 95/28, annex 4 and 5 concerning flam mability. Stepless, low floor throughout the interior, covered by antislip plastic Tarabus coverings. For the sidewall is used laminate and the floor is made of laminated plywood with noise damping properties in the engine area. Handrails in one standard colour:
yellow RAL1021. Available light or heavy hammers with wire, which additionally can have signalisation. On the front wheelbox can be arranged a luggage rack. Partition walls are behind each door.Additional equipment: passenger barrier, fire extinguisher 6 kg, first-aid box, wheelchair safety wall, waste boxes for passengers, additional interior mirror.

Passenger and Courier Seat
Volvo seats. Modular, moulded construction, single and double seating places,seats for wheel arches and rear bench. Cantilever mounted to the wall. Foldable seats available. Space available to standing passengers……………….7,7m2 (DL220), 8,8m2 (DL222)hybrid1 300x85 Interior,Drivers seat,Electrical System Volvo 7900 Hybrid

Drivers Seat and Station
Volvo dashboard, two satellites on the right and the left side as standard.. Adjustable steering wheel, both height and tilt. Self canceling turn indicators. Dashboard, center: speedometer, rev counter driver’s display, fuel gauge, coolant temperature, brakes, turbo and oil pressure, indicator and warning lamps. Dashboard, left: emergency switch, tachograph.Steering wheel, left satellite: control buttons, Light Control Panel. Steering wheel, right satellite: gearbox selector, doorbrake knob, switches and warning lamps.
Instruments, engine compartment: selector switch for front or rear operation. These controls enable engine operation from the tail of the vehicle during service work
Roof panel: Digital tachograph, radio ISRI driver’s seat, with optional 2 or 3-point safety belt. Adjustment of: horizontal position, weight suppression, stroke,height and rake, seat cushion, backrest. The driver’s seat can have left side armrest,electrically heated seat/backrest, has air suspension with a swivel base. The driver’s compartment can have a low or high door with fi xed protection. Front 1-piece sunvisor can be manually or electrically operated.
Side sun visor.
Optional……………………………………..Alcolock
Optional…………………………VDV Dashboard
Optional………………………………Data logging
Optional……….External temperature meter
Optional………………….Fuel economy meter
Option………….mainswitch can be located behind front hatch.

Electrical System
The electrical system is a 24-volt system, where the chassis and engine frame are used as a ground. DC/DC converter provides electricity sourced from Electric Motor. 2nd generation Bus Electrical Architecture BEA 2 with electronic databus system Multiplex 2 – a digital system for data transmission, system controlling, monitoring and coordination of functions of bus assemblies, equipped in electronic control units, connected in a two link network for transmission of data, defect codes, work parameters. Multiplex 2 provides diagnostic information for the driver and workshop. For testing, calibrating and programming of the bus control units a PC based software package VCADS Pro is used. The system is equipped with three function main switch:
engine shut off, fuel shut off and electrical shut off. Tachograph system is available, analog or digital.
Battery capacity…………………………2×225 Ah
DC/DC converter……………..7.5 kW/210A
Optional……FMS1 or 2 Gateway interface
Optional…………………….FMS preparation kit
Optional……………………..Basic or extended electric interface
Optional…………….2 types of reverse alarm
Optional………………………….Battery charger
Day running lights: available in 4 different set ups, End outline marker, side marker and position lamps, low/high beam halogen or xenon.Tail lamp of LED type (apart from direction indicators).

Audio System
Stereo radio with CD player or preparation for radio. Public address system foot controlled. Installed speakers in roof panels, 1 external loudspeaker (option), loudspeaker for driver, driver microphone, Volvo brand equipment. City amplifier. Optional………Radio switches in the steering wheel.

Information system
ITS4mobility is an intelligent Transport System designed for Bus operations in public transport. It will assist the operator and driver with real time information about the traffic and provide passenger inside the bus with information regarding next stop, following stop, route number, end destination and panic button for driver in case of emergency which will inform traffic control centre with position. A number of combinations of hardware for the vehicle are available. Modular, electronic destination signs, with maintenace free illumination in the front, rear and side walls. LED destination signs as standard. Standard control via AIC and ITS4mobility or Mobitec ICU400.
Type/nominal voltage ……….LED/24 V DC
Data communication ………..RS 485, IBIS
Mounted pram/wheelchair buttons inside/outside for signalisation to driver. Stop request buttons on handrails. 8 mm square female or male key for the destination boxes. One interior bus stop sign.

Painting and Labels
Steel elements: primer and topcoat finishing. Under body coating process: sealing with an anti – corrosion/ protection / silencing compound. Spraying a conservation agent one the chassis profiles.

Wheel arches : sealed with an anti-corrosion compound and an anti-gravel protection. Body panelling: primed, then painted with filler and topcoat.
Outside painting std……..white, RAL9010
Buslovers colleagues have discovered how about 7900 volvo hybrid buses, I hope the above article useful to you.
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