Weclaim:
1. An electrical machine (101) for a small sized vehicle (100), said electrical machine provided with one or more electrical phases and capable of limiting ' operational temperature and reducing the operational losses, the electrical i machine (101) comprising:
a stator (102) having a stator core (118) and a plurality of stator teeth (112) disposed around a periphery of said stator core (118), each tooth of said plurality of stator teeth (112) is wound with a conducting wire of predetermined thickness to form a winding; and
a rotor (104) capable of being rotated, said rotor (104) coupled to a crankshaft of an internal combustion engine of said vehicle (100), and said rotor (104) is provided with a plurality of magnets (108) that are arranged facing the plurality of stator teeth (112) of said stator (102): wherein
said rotor (104) is also capable of being rotated by interacting with a rotating magnetic field produced by the stator (102), said stator (102) is capable of receiving electrical energy from at least one power source and producing said rotating magnetic field when the engine is operated above a predetermined speed, said predetermined speed is above an idling speed of said engine.
2. The electrical machine for a small sized vehicle (100) as claimed in claim 1, wherein said electrical machine (101) is a magneto.
3. The electrical machine for a small sized vehicle (100) as claimed in claim 1, wherein said rotor (104) is disposed inside said stator (102) or said rotor (104) is disposed outside said stator (102).
4. The electrical machine for a small sized vehicle (100) as claimed in claim 1, wherein said magnetic field is perpendicular to an axis of rotation of said rotor (104) or said magnetic field is parallel to an axis of rotation of said rotor (104).

5. The electrical machine for a small sized vehicle (100) as claimed in claim 1, wherein said stator (102) comprises a one or more pores (123) disposed substantially parallel to the axis of rotation of said rotor (104), said one or more pores (123) increases an overall surface area of said stator (102) for limiting the operational temperature of said electrical machine (101).
6. The electrical machine for a small sized vehicle (100) as claimed in claim 1, wherein said rotor (104) includes a first surface that is provided with said plurality of magnets (108) and facing the plurality of stator teeth (112) of said stator (102), and a second surface facing said stator (102). and wherein said second surface includes plurality of fins (190) disposed circumferentially for limiting the operational temperature by causing atmospheric air to flow towards the stator (102), said plurality of fins (190) are of substantially rectangular profile.
7. The electrical machine for a small sized vehicle (100) as claimed in claim 1. wherein said electrical machine is capable of achieving a peak torque at operating current being limited to about 50 N-m both during starting of the vehicle (100) and during providing power assistance to the internal combustion engine during running of the vehicle (100).
8. A control system (200) for assisting an internal combustion engine of a small sized vehicle (100) during high speed operations, said control system (200) having an electrical machine capable of being accommodated in said vehicle (100), and said control system (200) capable of achieving reduction in emissions at high speed and high load operations, said control system (200) comprising:
the electrical machine further comprising a stator (102) having a stator core (118) and a plurality of stator teeth (112) disposed around a periphery of said stator core (118), each tooth of said plurality of stator teeth (112) is wound with conducting wire of predetermined thickness to form a winding, and a rotor (104) capable of being rotated, said rotor (104) coupled to a crankshaft of said internal combustion engine of said vehicle (100). and said rotor (104) is provided with a plurality of magnets (108) that are arranged facing the plurality of stator

teeth (112) of said stator (102), said rotor(104) is also capable of being rotated by interacting with a rotating magnetic field produced by the stator (102), said stator (102) is capable of receiving electrical energy and producing said rotating magnetic field when the engine is operated above a predetermined speed, said predetermined speed is above an idling speed of said engine;
at least one power source capable of supplying energy to said electrical machine when said electrical machine is operating in a motoring mode, and for storing energy generated by said electrical machine when said electrical machine is operating in a generating mode;
a rectifier circuit (206) having plurality of diodes (330, 332, 334, 336, 338. and 340) arranged along one or more legs parallel to each other, each of said one or more legs includes at least two diodes of said plurality of diodes (330. 332, 334, 336, 338, and 340), said plurality of diodes (330, 332, 334, 336, 338, and 340) are connected to allow passage of current from said electrical machine to said at least one power source, said one or more legs includes at least one junction portion connected to wire ends of the electrical machine to allow passage of current from the wire ends of the electrical machine to the at least one power source, wherein said rectifier circuit (206) includes at least one motoring switch (314, 316, 318, 320, 322, and 324); and
a machine controller (202) including at least one microcontroller (204), wherein said at least one microcontroller (204) provides triggering inputs to said at least one motoring switch (314, 316, 318, 320, 322, and 324) for allowing passage of current from said at least one power source to said electrical machine.
9. The control system (200) as claimed in claim 8, wherein the microcontroller
(204) is capable of receiving inputs from at least one or more sensor disposed
(208) on said rotor (104) of said electrical machine and the microcontroller (204)
includes a pulse width modulation circuit that limits the current through the
machine by actuating said at least one motoring switch (314, 316, 318, 320, 322.
(and ]324)Eof ^ikE<$fi^