** [Shiva phase control of waves (without zero) code 13B1] (https://www.automation24.ir/product-915/%25DA%25A9%25D9%2586%25D8%25AA%25D8%25B1%25D9%2584- %25D9%2581%25D8%25A7%25D8%25B2-%25D8%25B4%25DB%258C%25D9%2588%25D8%25A7-%25D8%25A7%25D9%2585%25D9%2588%25D8%25A7%25D8%25AC -\\(%25D8%25A8%25D8%25AF%25D9%2588%25D9%2586-%25D9%2586%25D9%2588%25D9%2584\\)-%25DA%25A9%25D8%25AF-13b1)**\r\n\r\nBy using the control of the siva phase of the waves, it is possible to control the power grid disturbances. Disturbances caused by voltage increase or decrease and asymmetry of phases are indicated by F indicator and displacement by P indicator.\r\n\r\n\r\nCharacteristics of the phase control of Shiva waves\r\n \r\nAccurate control of the electrical network due to the non-use of neutral (energization of the neutral in some cases)\r\nProtection against:\r\nIncrease and decrease voltage\r\nNon-sequence (displacement) and asymmetry of phases\r\nInterruption of any of the phases\r\n4 indicators for announcement\r\nAC: mains electricity\r\nREL: Connect the relay\r\nF: increase and decrease of voltage and asymmetry of phases\r\nP: Non-sequence (displacement) of phases\r\nAdjustment screws to adjust asymmetry and connection time\r\nThe parameters do not change due to the impact of the panel contactor\r\n\r\n\r\n## Technical specifications of Shiva Amwaj phase control\r\n## Supply / input voltage: three phases - 300 to 500 volts AC (from 50 to 60 Hz)\r\n## Time delay:\r\n## Connected: 2 to 240 seconds\r\n## Interruption: 3 seconds\r\n## Interruption to reduce the voltage at the moment of starting: 10 seconds\r\n## Break for:\r\n## Voltage increase: 440 volts\r\n## Voltage reduction: 300 volts\r\n## Asymmetry: 7-25%\r\n## Efficiency in:\r\n## Temperature: between -20 and +65 degrees Celsius\r\n## Humidity: 70%\r\n## Output: 5 amp relay\r\n\r\n\r\n**[Click here to view Delta products](https://www.automation24.ir/)**\r\n\r\nThe difference between phase control and phase supercontrol:\r\n\r\nPhase control of high voltage, low voltage and asymmetry parameters is fixed and unadjustable in itself, but it can be adjusted in super phase control.\r\n\r\nThe neutral wire is for the symmetry of the network and also if the neutral wire is live, the phase control works and disconnects the system.\r\n\r\nFinally, to ensure the sound of the relay setting, while the engine is running, the fuse of one of the three phases can be cut off so that the network becomes two-phase and the phase control relay works.\r\n \r\n \r\nphase control:\r\n\r\nThis device is designed to protect three-phase motors against excessive reduction or increase of network voltage, phase disconnection or phase shift, and in many cases, the cause of motor burning is incomplete connection of contactor contacts. As a result, the phase control is installed after the contactor.\r\n\r\n\r\nPhase control function:\r\n\r\nAfter three phases and zero are connected to terminals L1, L2, L3 and mp, if the voltages are suitable and the phase sequence is correct, the u indicator will light up. If the sequence of phases is not correct (the PH indicator turns on), this problem can be solved by changing the place of the two phases, and after the delay time passes, when the RLY light turns on, the contact 15 of the relay is disconnected from 16 and connected to 18. If there is any problem in the network, the corresponding indicator lights up. Internal relay RLY turns off.\r\n\r\n\r\nRelay settings:\r\n\r\nThere are two adjustment screws on most of the phase controls, which are as follows:\r\n\r\nReaction time: With this adjustment screw, you can adjust the cut-off delay time
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