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A power generation system is disclosed. The power generation system includes an electrical converting device and a repowered portion connected to the electrical converting device. The repowered portion includes a reciprocating internal combustion engine and a gearbox. The reciprocating internal comb

A power generation system is disclosed. The power generation system includes an electrical converting device and a repowered portion connected to the electrical converting device. The repowered portion includes a reciprocating internal combustion engine and a gearbox. The reciprocating internal combustion engine is connected to the gearbox by a first connecting structure. The gearbox is connected to the electrical converting device by a second connecting structure.

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1. A method, comprising the steps of: providing a power generation system including a support frame and an originally-installed internal combustion engine connected to an electrical converting device;removing the originally-installed internal combustion engine from the electrical converting device a

1. A method, comprising the steps of: providing a power generation system including a support frame and an originally-installed internal combustion engine connected to an electrical converting device;removing the originally-installed internal combustion engine from the electrical converting device and the support frame; andrepowering the power generation system by connecting a repowered portion to the electrical converting device, wherein the repowered portion includes a reciprocating internal combustion engine, anda gearbox, wherein the reciprocating internal combustion engine is connected to the gearbox by a first connecting structure, wherein the gearbox is connected to the electrical converting device by a second connecting structure. 2. The method according to claim 1, wherein the first connecting structure includes a misalignment coupling, anda torsionally resilient coupling connected to the misalignment coupling. 3. The method according to claim 2, wherein the first connecting structure further comprises an output device of the reciprocating internal combustion engine connected to one of the misalignment coupling and the torsionally resilient coupling, anda gearbox input of the gearbox connected to the other of the misalignment coupling and the torsionally resilient coupling. 4. The method according to claim 2, wherein the first connecting structure further comprises a clutch, overrunning clutch, constant- or variable-fill fluid coupling or torque converter, wherein the torsionally resilient coupling connected to one or more of the clutch, overrunning clutch, constant- or variable-fill fluid coupling or torque converter and the misalignment coupling. 5. The method according to claim 4, further comprising the step of utilizing the clutch, overrunning clutch, constant- or variable-fill fluid coupling or torque converter for selectively translating rotational movement produced by the reciprocating internal combustion engine to the electrical converting device by way of the gearbox. 6. The method according to claim 1, wherein the first connecting structure includes a flanged connection including a first portion extending from the reciprocating internal combustion engine and a second portion extending from the gearbox, wherein the first portion is flanged to the second portion, anda torsionally resilient coupling arranged within one or more of the first portion and the second portion. 7. The method according to claim 6, wherein the first portion is a flywheel housing, wherein the second portion is a gearbox input housing, wherein the torsionally resilient coupling is connected to an output device of the reciprocating internal combustion engine, wherein the output device is arranged within the flywheel housing, and wherein the torsionally resilient coupling is also connected toa gearbox input of the gearbox, wherein the gearbox input is arranged within the gearbox input housing. 8. The method according to claim 1, wherein the first connecting structure further comprises a torsionally resilient coupling,an output device of the reciprocating internal combustion engine connected to the torsionally resilient coupling, anda gearbox input of the gearbox connected to the torsionally resilient coupling. 9. The method according to claim 8, wherein the first connecting structure includes a clutch, overrunning clutch, constant- or variable-fill fluid coupling or torque converter coupled to the gearbox input. 10. The method according to claim 9, further comprising the step of utilizing the clutch, overrunning clutch, constant- or variable-fill fluid coupling or torque converter for selectively translating rotational movement produced by the reciprocating internal combustion engine to the electrical converting device by way of the gearbox. 11. The method according to claim 1, wherein the second connecting structure includes a misalignment coupling, wherein the misalignment coupling is connected to a gearbox output of the gearbox, wherein the misalignment coupling is also connected toan input of the electrical converting device. 12. The method according to claim 1, wherein the second connecting structure includes a direct power transmitting connection including a gearbox output,a rigid circular disk connected to the gearbox output, anda flexible circular disk connected to the rigid circular disk, wherein the electrical converting device includes a rotor having an input that is connected to the flexible circular disk. 13. The method according to claim 1, further comprising the step of: utilizing the gearbox for matching a maximum rated speed of the reciprocating internal combustion engine to a maximum rated speed of the electrical converting device. 14. The method according to claim 1, wherein the gearbox includes an integrated clutch, overrunning clutch, constant- or variable-fill fluid coupling or torque converter, wherein the method further comprises the step of: utilizing the integrated clutch, overrunning clutch, constant- or variable-fill fluid coupling or torque converter for selectively translating rotational movement produced by the reciprocating internal combustion engine to the electrical converting device by way of the gearbox. 15. The method according to claim 1, wherein the electrical converting device, the reciprocating internal combustion engine and the gearbox are connected to the support frame of an industrial vehicle. 16. The method according to claim 15, further comprising a resilient mounting portion that connects one or more of the reciprocating internal combustion engine and the gearbox to the support frame of the industrial vehicle. 17. The method according to claim 16, further comprising the step of: utilizing the resilient mounting portion for resiliently mounting one or more of the reciprocating internal combustion engine and the gearbox to the support frame of the industrial vehicle. 18. The method according to claim 16, further comprising the step of: utilizing the resilient mounting portion for elevating one or more of the reciprocating internal combustion engine and gearbox away from the support frame of the industrial vehicle for aligning the reciprocating internal combustion engine with the gearbox with respect to an alignment of the gearbox with the electrical converting device. 19. A method, comprising the steps of: providing a power generation system including a support frame and an originally-installed internal combustion engine connected to an electrical converting device;removing the originally-installed internal combustion engine from: the electrical converting device and the support frame; andrepowering the power generation system by connecting a repowered portion to the electrical converting device, wherein the repowered portion includesa reciprocating internal combustion engine, anda gearbox, wherein the reciprocating internal combustion engine is connected to the gearbox by a first connecting structure, wherein the gearbox is connected to the electrical converting device by a second connecting structure, wherein one or more of the first connecting structure and the second connecting structure includes a misalignment coupling. 20. The method according to claim 19, wherein each of the first connecting structure and the second connecting structure includes a misalignment coupling, wherein the first connecting structure includes a first misalignment coupling, wherein the second connecting structure includesa second misalignment coupling. 21. The method according to claim 19, wherein only the first connecting structure includes the misalignment coupling. 22. The method according to claim 19, wherein only the second connecting structure includes the misalignment coupling. 23. The method according to claim 19, wherein the first connecting structure includes a torsionally resilient coupling connected to the misalignment coupling. 24. The power generation system according to claim 23, wherein the first connecting structure further comprises an output device of the reciprocating internal combustion engine connected to one of the misalignment coupling and the torsionally resilient coupling, anda gearbox input of the gearbox connected to the other of the misalignment coupling and the torsionally resilient coupling. 25. The method according to claim 23, wherein the first connecting structure further comprises a clutch, overrunning clutch, constant- or variable-fill fluid coupling or torque converter, wherein the torsionally resilient coupling connected to one or more of the clutch, overrunning clutch, constant- or variable-fill fluid coupling or torque converter and the misalignment coupling. 26. The method according to claim 25, further comprising the step of: utilizing the clutch, overrunning clutch, constant- or variable-fill fluid coupling or torque converter for selectively translating rotational movement produced by the reciprocating internal combustion engine to the electrical converting device by way of the gearbox. 27. The method according to claim 20, wherein the second misalignment coupling is connected to a gearbox output of the gearbox, wherein the second misalignment coupling is also connected to an input of the electrical converting device. 28. The method according to claim 19, further comprising the step of: utilizing the gearbox for matching a maximum rated speed of the reciprocating internal combustion engine to a maximum rated speed of the electrical converting device. 29. The method according to claim 19, wherein the gearbox includes an integrated clutch, overrunning clutch, constant- or variable-fill fluid coupling or torque converter, wherein the method further comprises the step of: utilizing the integrated clutch, overrunning clutch, constant- or variable-fill fluid coupling or torque converter for selectively translating rotational movement produced by the reciprocating internal combustion engine to the electrical converting device by way of the gearbox. 30. The method according to claim 19, wherein the electrical converting device, the reciprocating internal combustion engine and the gearbox are connected to a support frame of an industrial vehicle. 31. A method, comprising the steps of: providing a power generation system including a support frame and an originally-installed internal combustion engine connected to an electrical converting device;removing the originally-installed internal combustion engine from: the electrical converting device and the support frame; andrepowering the power generation system by connecting a repowered portion to the electrical converting device, wherein the repowered portion includesa reciprocating internal combustion engine, anda gearbox, wherein the reciprocating internal combustion engine is connected to the gearbox by a first connecting structure having a torsionally resilient coupling, wherein the gearbox is connected to the electrical converting device by a second connecting structure. 32. The method according to claim 31, wherein the first connecting structure includes a misalignment coupling, wherein the torsionally resilient coupling is connected to the misalignment coupling. 33. The method according to claim 32, wherein the first connecting structure further comprises an output device of the reciprocating internal combustion engine connected to one of the misalignment coupling and the torsionally resilient coupling, anda gearbox input of the gearbox connected to the other of the misalignment coupling and the torsionally resilient coupling. 34. The method according to claim 32, wherein the first connecting structure further comprises a clutch, overrunning clutch, constant- or variable-fill fluid coupling or torque converter connecting the misalignment coupling and one of the torsionally resilient coupling and the gearbox input of the gearbox. 35. The method according to claim 34, further comprising the step of: utilizing the clutch, overrunning clutch, constant- or variable-fill fluid coupling or torque converter for selectively translating rotational movement produced by the reciprocating internal combustion engine to the electrical converting device by way of the gearbox. 36. The method according to claim 31, wherein the first connecting structure includes a flanged connection including a first portion extending from the reciprocating internal combustion engine and a second portion extending from the gearbox, wherein the first portion is flanged to the second portion, wherein the torsionally resilient coupling arranged within one or more of the first portion and the second portion. 37. The method according to claim 36, wherein the first portion is a flywheel housing, wherein the second portion is a gearbox input housing, wherein the torsionally resilient coupling is connected to an output device of the reciprocating internal combustion engine, wherein the output device is arranged within the flywheel housing, and wherein the torsionally resilient coupling is also connected toa gearbox input of the gearbox, wherein the gearbox input is arranged within the gearbox input housing. 38. The method according to claim 31, wherein the first connecting structure includes a clutch, overrunning clutch, constant- or variable-fill fluid coupling or torque converter coupled to a gearbox input of the gearbox. 39. The method according to claim 38, further comprising the step of: utilizing the clutch, overrunning clutch, constant- or variable-fill fluid coupling or torque converter for selectively translating rotational movement produced by the reciprocating internal combustion engine to the electrical converting device by way of the gearbox. 40. The method according to claim 31, wherein the second connecting structure includes a misalignment coupling, wherein the misalignment coupling is connected to a gearbox output of the gearbox, wherein the misalignment coupling is also connected toan input of the electrical converting device. 41. The method according to claim 31, wherein the second connecting structure includes a direct power transmitting connection including a gearbox output,a rigid circular disk connected to the gearbox output, anda flexible circular disk connected to the rigid circular disk, wherein the electrical converting device includes a rotor having an input that is connected to the flexible circular disk. 42. The method according to claim 31, further comprising the step of: utilizing the gearbox for matching a maximum rated speed of the reciprocating internal combustion engine to a maximum rated speed of the electrical converting device. 43. The method according to claim 31, wherein the gearbox includes an integrated clutch, overrunning clutch, constant- or variable-fill fluid coupling or torque converter, wherein the method further comprises the step of: utilizing the integrated clutch, overrunning clutch, constant- or variable-fill fluid coupling or torque converter for selectively translating rotational movement produced by the reciprocating internal combustion engine to the electrical converting device by way of the gearbox. 44. The method according to claim 31, wherein the electrical converting device, the reciprocating internal combustion engine and the gearbox are connected to a support frame of an industrial vehicle. 45. The method according to claim 44, further comprising a resilient mounting portion that connects one or more of the reciprocating internal combustion engine and the gearbox to the support frame of the industrial vehicle. 46. The method according to claim 45, further comprising the step of: utilizing the resilient mounting portion for resiliently mounting one or more of the reciprocating internal combustion engine and the gearbox to the support frame of the industrial vehicle. 47. The method according to claim 45, further comprising the step of: utilizing the resilient mounting portion for elevating one or more of the reciprocating internal combustion engine and gearbox away from the support frame of the industrial vehicle for aligning the reciprocating internal combustion engine with the gearbox with respect to an alignment of the gearbox with the electrical converting device.