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A method of refrigeration control through a refrigeration system of a refrigerated transport container includes performing a defrost cycle on the refrigeration system by activating a heat source; and restarting the refrigeration system after the defrost cycle has completed, wherein restarting the re

A method of refrigeration control through a refrigeration system of a refrigerated transport container includes performing a defrost cycle on the refrigeration system by activating a heat source; and restarting the refrigeration system after the defrost cycle has completed, wherein restarting the refrigeration system includes performing a liquid slugging avoidance process including: initiating a compressor of the refrigeration system at a speed; opening a pressure equalization valve in parallel with the compressor in response to the initiating; opening a liquid valve in series between a condenser and an evaporator after opening of the pressure equalization valve; and closing the pressure equalization valve after a period of time.

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1. A method of refrigeration control through a refrigeration system of a refrigerated transport container, comprising: performing a defrost cycle on the refrigeration system by activating a heat source; andrestarting the refrigeration system after the defrost cycle has completed, wherein restarting

1. A method of refrigeration control through a refrigeration system of a refrigerated transport container, comprising: performing a defrost cycle on the refrigeration system by activating a heat source; andrestarting the refrigeration system after the defrost cycle has completed, wherein restarting the refrigeration system includes performing a liquid slugging avoidance process including:initiating a compressor of the refrigeration system at a speed;opening a pressure equalization valve in parallel with the compressor in response to the initiating;opening a liquid valve in series between a condenser and an evaporator after a predetermined amount of time has elapsed from opening of the pressure equalization valve, the liquid valve and the pressure equalization valve both being open at the same time; andclosing the pressure equalization valve after a period of time. 2. The method of claim 1, further comprising increasing the speed of the compressor after closing of the pressure equalization valve. 3. The method of claim 2, wherein increasing the speed of the compressor occurs after a predetermined amount of time has elapsed from the closing of the pressure equalization valve. 4. The method of claim 1, further comprising initiating an evaporator fan motor after opening the pressure equalization valve. 5. The method of claim 4, wherein initiating the evaporator fan motor occurs after a predetermined amount of time has elapsed from opening the pressure equalization valve. 6. The method of claim 1, wherein closing the pressure equalization valve occurs after a predetermined amount of time has elapsed from opening the liquid valve. 7. The method of claim 1, wherein closing the pressure equalization valve occurs after a predetermined amount of time has elapsed from initiating the compressor. 8. The method of claim 1, wherein performing the defrost cycle includes: determining a defrost energy consumption by the heat source during the defrost cycle;determining a time delay until a next defrost cycle in response to the defrost energy consumption during the defrost cycle. 9. A refrigeration system, comprising: a condenser;a compressor in serial communication with the condenser;an evaporator in serial communication with the condenser and the compressor;a heat source for thawing an evaporator coil during a defrost cycle;a pressure equalization valve arranged in parallel with the compressor;a liquid valve in series between the condenser and the evaporator;a controller for controlling the pressure equalization valve and the liquid valve to implement a liquid slugging avoidance process upon restart of the compressor after a defrost cycle;wherein:the liquid slugging avoidance process includes;initiating the compressor at a speed;opening the pressure equalization valve in response to the initiating;opening the liquid valve after a predetermined amount of time has elapsed from opening the pressure equalization valve, the liquid valve and the pressure equalization valve both being open at the same time; andclosing the pressure equalization valve after a period of time. 10. The refrigeration system of claim 9, wherein the liquid slugging avoidance process includes increasing the speed of the compressor after closing of the pressure equalization valve. 11. The refrigeration system of claim 10, wherein increasing the speed of the compressor initiates after a predetermined amount of time has elapsed from the closing of the pressure equalization valve. 12. The refrigeration system of claim 9, wherein the liquid slugging avoidance process includes initiating an evaporator fan motor after opening the pressure equalization valve. 13. The refrigeration system of claim 9, wherein closing the pressure equalization valve occurs after a predetermined amount of time has elapsed from opening the liquid valve. 14. The refrigeration system of claim 9, wherein closing the pressure equalization valve occurs after a predetermined amount of time has elapsed from initiating the compressor. 15. The refrigeration system of claim 9, wherein the defrost cycle includes: determining a defrost energy consumption by the heat source during the defrost cycle;determining a time delay until a next defrost cycle in response to the defrost energy consumption during the defrost cycle. 16. A refrigeration system, comprising: a condenser;a compressor in serial communication with the condenser;an evaporator in serial communication with the condenser and the compressor;a heat source for thawing an evaporator coil during a defrost cycle;a pressure equalization valve arranged in parallel with the compressor;a liquid valve in series between the condenser and the evaporator; anda controller for controlling the pressure equalization valve and the liquid valve to implement a liquid slugging avoidance process upon restart of the compressor after a defrost cycle;wherein:the liquid slugging avoidance process includes;initiating the compressor at a speed;opening the pressure equalization valve in response to the initiating;opening the liquid valve after a first predetermined amount of time has elapsed from opening the pressure equalization valve, the liquid valve and the pressure equalization valve both being open at the same time;increasing an evaporator fan motor after the first predetermined amount of time has elapsed from opening the pressure equalization valve;closing the pressure equalization valve after a second predetermined amount of time has elapsed from opening the liquid valve; andincreasing the compressor speed after a third predetermined amount of time has elapsed from closing the pressure equalization valve.