Method for energy storage for load hoisting machinery

Details Method for energy storage for load hoisting machinery Method for energy storage for load hoisting machinery

1998-07-31

1999-08-10

Masih, Karen

Electricity: motive power systems

Induction motor systems

318739, 318801, 318807, 318 53, 318 54, 318 65, H02P 124

Patent

active

059363754

ABSTRACT:
A method for energy storage and recovery for load hoisting equipment driven by an inverter controlled first induction motor and having a second inverter controlling a second induction motor which drives a flywheel whereby, utilizing rest power such as reverse power from the first induction motor when lowering a load and unused power at small load or idle to accelerate rotation of a flywheel, whereby energy is stored, and the system is reversed when a load is lifted and power is consumed whereby the flywheel causes the second motor to generate power and deliver it to the first motor.

REFERENCES:
patent: 4663536 (1987-05-01), Roesel, Jr. et al.

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