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This post was last edited by Wang Tianze on 2015-12-2 at 19:47. 57. For a temperature control system that requires high precision in control, the control law should be (A). A. Proportional control, weak integral control, strong differential control B. Proportional control, strong integral control, weak differential control C. Proportional control, weak integral control, weak differential control D. Proportional control, strong integral control, strong differential control 58. In a symmetric three-phase four-wire power supply circuit, if one of the fuses on the terminal wires blows, the voltage across that fuse is (B). A. Line voltage B. Phase voltage C. Phase voltage + Line voltage D. Half of the line voltage Closed
57. For a temperature control system that requires high control precision, the control law should be (A). A. Proportional control, weak integral control, strong differential control B. Proportional control, strong integral control, weak differential control C. Proportional control, weak integral control, weak differential control D. Proportional control, strong integral control, strong differential control 58. In a symmetric three-phase four-wire power supply circuit, if one of the fuses on the terminal wires blows, the voltage across that fuse is (B). A. Line voltage B. Phase voltage C. Phase voltage + Line voltage D. Half of the line voltage
57. For a temperature control system that requires high control precision, the control law should be (A). A. Proportional control, weak integral control, strong differential control B. Proportional control, strong integral control, weak differential control C. Proportional control, weak integral control, weak differential control D. Proportional control, strong integral control, strong differential control 58. In a symmetric three-phase four-wire power supply circuit, if one of the fuses on the terminals blows, the voltage across that fuse is (C). A. Line voltage B. Phase voltage C. Phase voltage + Line voltage D. Half of the line voltage
57. For a temperature control system that requires high control precision, the control law should be (A). A. Proportional control, weak integral control, strong differential control B. Proportional control, strong integral control, weak differential control C. Proportional control, weak integral control, weak differential control D. Proportional control, strong integral control, strong differential control 58. In a symmetric three-phase four-wire power supply circuit, if one of the fuses on the terminals blows, the voltage across that fuse is (C). A. Line voltage B. Phase voltage C. Phase voltage + Line voltage D. Half of the line voltage
57. For a temperature control system that requires high control precision, the control law should be ( ). A. Proportional control, weak integral control, strong differential control. 58. In a symmetric three-phase four-wire power supply circuit, if one of the fuses on the terminals blows, the voltage across that fuse will be ( ). B. Phase voltage