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(31) The principle and main circuit design ideas are given for the mobile pulse output module tester.

(32) Temperature relay tests temperature of motor, if it exceeds rating temperature to send a signal, contactor cut off main circuit to complete protection of motor.

(33) Aiming at the character that zero wire exists in three-phase four-wire system, the active power filter in three-phase four-wire system has its own character on main circuit and control circuit.

(34) A general design of digital twin-wire welding power supply was selected firstly, and two side-by-side IGBT full bridge converter main circuit structures were designed.

(34) Sentencedict.com try its best to collect and build good sentences.

(35) The thesis firstly analyzes the converter principle of operation and the circuit characteristic, used the PSPICE software to carry on the simulation analysis to the main circuit.

(36) The main circuit includes parallel fixed compensating capacitor, variable compensating inductor and IGBT, etc.

(37) A novel main circuit topology of the simulative appliance with three - phase parallel - connected load characteristic was proposed.

(38) Analyzing the igniting method of LC resonance and considering the control of the inverted main circuit, this paper designs an igniting circuit with transformer coupling controlled by logic.

(39) Parallel - processing topology of main circuit is determined according to the functional demands of the studied system.

(40) The design process of the main circuit, the control circuit and the time-delay circuit are elaborated after an experimental research of interleaving PFC converters.

(41) A main circuit topology of STATCOM ( STATic synchronous COMpensator ) is presented , which has N cascaded multi - winding - transformer - isolated converters.

(42) The main circuit switching frequency is constant, which is desirable for industrial applications.

(43) The system adopted insulated gate bipolar transistor (IGBT) as its main circuit and pulse-width modulating (PWM) technology.

(44) The paper designs and makes a kind of active power filter experiment device with four use main circuit and without conformer.

(45) The paper analyzes the pump voltage of main circuit of 3DM and presents the clamping circuit of pump voltage.

(46) PWM modulation and IGBT drive circuits determined the quality of welding, controlled the output of driving signal for the IGBT inverter main circuit.

(47) An electric current voltage feedback circuit is connected between the second output terminal and the main circuit control unit.

(48) A fail-safe backup system ensures reliable operation, even if a fault develops in the main circuit.

(49) This paper obtained the frequency domain block diagram using AC small-signal analysis model and the parameters of main circuit components were designed properly.

(50) The main circuit of the velocity regulation system is composed of the transformer, the three-phase bridge controlled circuit and the flat wave reactor.

(51) UC3846 is used for PWM, pulse transformer driven by bridge can transfer signal and power for IGBT in main circuit, quick protection is necessary for short circuit often happen during brush plate.

(52) The main circuit includes rectify, PFC, inverter and the motor driving circuits.

(53) The voltage transformation rectification integration power supply units with high-power homemade silicon element was introduced, including main circuit, structure and application effect.

(54) Reading electrical schematics of the order is: look at the main circuit, again assisted circuit.

(55) Designs on motor field and structure, controller main circuit current commuting mode design, TMS320F240 least system and system program consider system normal operation under fault condition fully.

(56) The key points lies in interface resolve method in hybrid voltage-logic design, A/D sampling circuit, SPI communication port and the protect of the main circuit.

(57) The main circuit of a dual voltage alternator is given and its principle is discussed.

(58) In the main circuit, the inverse parallel couple SCRs(silicon-controlled rectifier) are used as a electric switch, switching the transformer of resistance spot welding.

(59) The paper describes a silent voltage source PWM frequency converter. Its main circuit uses novel full controlled devices bipolar static induction transistor(BSIT) and static induction thyristor(SITH).

(60) This article puts forward a new main circuit, twelve - phase welding power source with phase - alternate transformer.