A device for controlling supply of current and static capacitance to compressors (37, 38; 67, 68) comprising: a first controlling part (31; 61) for controlling overall operation of a plurality of compressors (37, 38; 67, 68), and generating a compressor turn on/off signal; a utility voltage supply (33; 63) for supplying a utility voltage; a switch (32; 62) switchable in response to the compressor driving turn on/off signal from the first controlling part (31; 61) for supplying or cutting off the supplying of the utility voltage to the compressors (37, 38; 67, 68); a second controlling part (34; 64) for providing control signals for controlling currents and static capacitances to be supplied to main windings (46, 48; 78, 80) and supplementary windings (47, 49; 79, 81) of the compressors (37, 38; 67, 68), wherein the control signals are varied with a state of a size and a frequency of the utility voltage supply (33; 63) and are different before and after the starting, and the control signals comprise a phase control signal and a switching control signal; a current controlling part (35; 65) for limiting a current of the utility voltage supply (33; 63) in supplying the current to the main windings (46, 48; 78, 80) in common during starting in response to the control signals and releasing the limiting of the current in the supplying to the main windings (46, 48; 78, 80) in common after the starting, wherein the current controlling part supplies the current to the main windings (46, 48) in response to the phase control signal and the switching control signal from an initial starting to a starting completion in a gradually increasing direction, and wherein the current controlling part (35; 65) comprises a phase controlling part (39; 69) or a negative temperature coefficient resistor (55; 88); and, a static capacitance controlling part (36; 66) for supplying respective starting static capacitances from the current of the utility voltage supply (33; 63) to the supplementary windings (47, 49; 79, 81) in a sequence in starting, and respective operative static capacitances from the current of the utility voltage supply (33; 63) to the supplementary windings (47, 49; 79, 81) on the same time in starting, and supplying only the respective operative static capacitances from the current of the utility voltage supply (33; 63) to the supplementary windings (47, 49; 79, 81) on the same time after the starting, in response to the control signals. a first controlling part (31; 61) for controlling overall operation of a plurality of compressors (37, 38; 67, 68), and generating a compressor turn on/off signal; a utility voltage supply (33; 63) for supplying a utility voltage; a switch (32; 62) switchable in response to the compressor driving turn on/off signal from the first controlling part (31; 61) for supplying or cutting off the supplying of the utility voltage to the compressors (37, 38; 67, 68); a second controlling part (34; 64) for providing control signals for controlling currents and static capacitances to be supplied to main windings (46, 48; 78, 80) and supplementary windings (47, 49; 79, 81) of the compressors (37, 38; 67, 68), wherein the control signals are varied with a state of a size and a frequency of the utility voltage supply (33; 63) and are different before and after the starting, and the control signals comprise a phase control signal and a switching control signal; a current controlling part (35; 65) for limiting a current of the utility voltage supply (33; 63) in supplying the current to the main windings (46, 48; 78, 80) in common during starting in response to the control signals and releasing the limiting of the current in the supplying to the main windings (46, 48; 78, 80) in common after the starting, wherein the current controlling part supplies the current to the main windings (46, 48) in response to the phase control signal and the switching control signal from an initial starting to a starting completion in a gradually increasing direction, and wherein the current controlling part (35; 65) comprises a phase controlling part (39; 69) or a negative temperature coefficient resistor (55; 88); and, a static capacitance controlling part (36; 66) for supplying respective starting static capacitances from the current of the utility voltage supply (33; 63) to the supplementary windings (47, 49; 79, 81) in a sequence in starting, and respective operative static capacitances from the current of the utility voltage supply (33; 63) to the supplementary windings (47, 49; 79, 81) on the same time in starting, and supplying only the respective operative static capacitances from the current of the utility voltage supply (33; 63) to the supplementary windings (47, 49; 79, 81) on the same time after the starting, in response to the control signals.