Weswen company presentation

Clean technology everybody

About WESWEN company

The development of alternative energy forms and the search of alternative energy sources are the main worldwide trends of the new millennium. The reasons underlying these processes are the exhaustibility of hydrocarbon resources and the prospect of energy crisis in the near future; negative environmental impact and the threat of the world ecological catastrophe; the necessity of lowering power inputs to reach greater production efficiency.

WESWEN company develops and introduces modern technologies of using alternative sources of energy – solar, wind, water and geothermal energy.We offer a series of effective systems of converting inexhaustible and renewable natural energy: solar batteries and collectors, wind-powered generators, thermal pumps and wave power plants. They can be used in the regions located far from the centralized systems of heat and energy supply, in the regions with capacity shortage, and for the supply of houses, enterprises, and other facilities. The use of these devices ensures uninterrupted power supply.Our systems are ecofriendly and absolutely safe for users and the environment.

About WESWEN company

Strategic targets:

• High-quality production• Improvement of systems of

alternative energy conversion • Expansion of the sector of

procurement and engineering solutions

• Cost reduction owing to effective production and expenditure reduction

• Environmental protection

Quality:

• Use of high-grade materials and products

• Product inspection• Operation improvement• Personnel training, constant growth

of the employees’ professional level• Implementation of the quality

management system

Our mission is to create a modern safe and convenient communication environment between the Man and the

Nature.

WESWEN solar batteries and collectors

Range of application:

• One-family detached houses• Office blocks and buildings,

educational institutions, sports facilities

• Manufacturing facilities • Agricultural sector• Sparsely populated residential

areas

• Mobile consumers of heat and energy supply (mobile hospitals, mobile search-and-rescue teams, scientific expeditions, troop units in the field, frontier posts, gamekeepers’ posts in the wildlife reserved areas, etc.)

• Transport


Principle of solar battery operation

Transformation of electromagnetic wave (light) energy into electric energy.Light flux hits the surface of a solar battery and transforms in the battery material into electricity. The electricity generated by the solar battery goes to the storage battery charges under controller control and accumulates there. From the storage batteries electric energy goes to the inverter, transforms there into alternating current of an appropriate voltage level, and then goes to the final consumer.


Principle of solar collector operation

Transformation of solar radiation energy into thermal energy.A solar collector is a set of blacked tubes connected at the top with a heat-exchange tank.In the tubes the liquid gets warm from solar radiation and begins to boil. Then, steam goes up to the heat-exchange tank, and transfers heat to water that can be used in the heating system or in the hot water supply system.


Advantages:

• General availability and inexhaustibility of the energy source

• Long life• Safe for the environment• Reliability• Ease of maintenance and operation • Moderate price (for a collector)

Drawbacks:

• Dependence on illumination and daylight hours• Small efficiency degradation in the course of

time • Moderately high initial costs (for a battery)


Cost efficiency:

Cost efficiency of solar batteries is determined by a number of factors: climatic conditions of the area where solar modules are installed, electricity consumption mode, local power rates, cost of solar modules, etc.If we consider a solar module (1 kW power) located in the zone of moderate solar radiation intensity on the Ukrainian territory, in view of the fact that electricity consumption is spent on the auxiliaries, we can confidently say that the payback period will be less than 15 years. If solar modules with greater power are used and the generated energy is partially distributed to the shared electrical network, the payback period comes down to 8-10 years.

WESWEN wind-powered generators


• Agriculture• Manufacturing facilities• Cottages• Small farm enterprises• Small villages• Transport (yachts, small size

vessels)

• Power supply of automated control systems, communication and supervisory control facilities, medical apparatus, computing machinery and other equipment, critical to the quality of electricity


Principle of wind-powered generator operation

• Transformation of wind energy into electric energy. • A wind stream runs against wind turbine blades and

makes them turn. Wind turbine blades are mechanically connected to the generator rotor, which also starts to revolve.

• As a result of rotor rotation, generation of electricity starts in the generator. Under controller control the electricity goes to the storage battery charges and accumulates there.

• From the storage batteries electric energy goes to the inverter, transforms there into alternating current of an appropriate voltage level, and then goes to the final consumer.


Advantages:

• General availability and inexhaustibility of the energy source

• Long life• Safe for the environment• Reliability• Ease of maintenance and operation

Drawbacks:

• Dependence on wind force• Needs to be installed at the height (on the

support) • Noisiness• Moderately high initial costs


Cost efficiency:

Payback periods and appropriateness of the wind-powered generator installation depend on several factors: wind force at the installation site, proximity to the electrical supply network, availability of the installation place for the wind-powered generator. Initial rotating velocity of the wind-powered generator is 2 m/sec. The speed at which the generator operates with one hundred percent efficiency is 8-10 m/sec. Naturally, the higher wind velocity is, the more effectively the generator operates. But it doesn’t mean that it is unprofitable to install a wind-powered generator if wind velocities are lower than optimal ones. Our experts will help find the right place, and the most effective model and packaging arrangement of the wind-powered generator. The payback period for the wind-powered generators is about 5-7 years. If there is no electrical supply network or there are cyclic power cutoffs, the payback period will be about 3-5 years.

WESWEN thermal pumps


• One-family and multifamily houses• Industrial projects• Workrooms• Office blocks and buildings• Public buildings: nursery and daycare facilities,

educational institutions, health facilities, cultural and educational institutions, shopping and entertainment centers, etc.


Principle of thermal pump operation

The principle of thermal pump operation is based on the collection of heat from ground or water, and its transfer to the heating system of the building Passing through the compressor the coolant compresses and heats up to a high temperature, and then moves to the heating system of the building. On leaving the heating system, the coolant cools down in the expansion valve to low temperatures and moves to the heat exchanger, situated in the ground or basin. In the heat exchanger the coolant heats up by the ground or basin heat, and then moves to the compressor. The cycle repeats again. If the building needs cooling (conditioning), the opposite process takes place: heat is taken from the building and moved to the ground or basin. The same thermal pump can operate in heating mode in winter, and in cooling mode in summer.


Advantages:

• Doesn’t need fuel• No irritants• Long life• Versatility (heating and conditioning)• Effectiveness• High efficiency

Недостатки:

• Well-drilling in the ground for thermal pump placements

• Needs power supply• Difficult in operation and

maintenance • Moderately high initial costs


Cost efficiency

• Cost efficiency of thermal pump use depends on• the temperature of the low-potential thermal energy source; • the cost of electricity in the area; • the prime cost of thermal energy, produced using different kinds of fuel.• The use of thermal pumps instead of traditionally used sources of thermal energy is economically sound because of: • no need to buy, transport and store fuel; • the freeing of a considerable territory, necessary to place a boiler room, driveways and a fuel storehouse. • Initial costs of thermal pump installation are a little higher than the cost of standard heating and conditioning

systems. The cost of the pump and the system installation is $300–1200 per 1 kW of the needed heating power. The payback period of thermal pumps is 4-9 years with the life time until general overhaul of about 15-20 years. However, if to consider maintenance costs, then the initial investments in geothermal heating, cooling and hot-water supply are quickly repaid because of the energy saving. Besides, it is necessary to consider that a thermal pump, when operated, doesn’t need any extra communications, except for home electric network.

WESWEN wave power plants


• Power supply of the facilities situated in the coastal zone • Power supply of the offshore facilities (drilling platforms, vessel roads,

beacons) • Power supply of small islands • Power supply of coastal cities


Principle of wave power plant operation

Transformation of wave energy into electric energy. In the power plants of the first type the transformation of kinetic wave energy and energy of surface oscillations into electricity takes place. Kinetic energy of the wave coming into the tube rotates the turbine blades which set the generator in motion. In the other case the coming water pushes the air out of the closed space of the tube. After that the generation of energy goes as usual. The escaping air rotates the turbine blades of the generator. In the power plants of the second type, when the energy of wave rolling is used, electric energy is generated by the floats on the water surface. Rocking them, waves set in motion the float-generator system, which results in energy generation


Advantages:• Doesn’t need fuel• No irritants• Long life• High specific power

Drawbacks:

• Dependence on wave force• Difficult in operation and

maintenance • High initial costs


Cost efficiency:

Wave power plants have a number of advantages:• high efficiency (up to 70%), determined by the fact that the

power plant is a flexible energy-absorbing system that continuously changes its parameters under the influence of incoming sea waves with wide-ranged lengths and amplitudes

• the level of specific capital costs ($3,500-4,000 for a kW)• low cost of the generated energy ($0,05-0,08 for 1 kW/h)• low materials consumption (less than 150kg/kW)• high resistance at stormy sea • mobility (can be towed off to any part of the water area) • payback period of water power plants is 2-5 years

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Weswen company presentation

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Transcript of Weswen company presentation