# absence of commutator

- 无换向器,无整流子,无转换器

*English-Chinese electricity dictionary (电气专业词典).
2013.*

### Look at other dictionaries:

**electric motor**— motor (def. 4). [1885 90] * * * Introduction any of a class of devices that convert electrical energy to mechanical energy, usually by employing electromagnetic phenomena. Most electric motors develop their mechanical torque by the… … Universalium**Brushless DC electric motor**— A microprocessor controlled BLDC motor powering a micro remote controlled airplane. This external rotor motor weighs 5 grams, consumes approximately 11 watts (15 millihorsepower) and produces thrust of more than twice the weight of the plane … Wikipedia**Fialka**— In cryptography, Fialka (M 125) is the name of a Cold War era Soviet cipher machine. A rotor machine, the device uses 10 rotors, each with 30 contacts along with mechanical pins to control stepping. It also makes use of a punch card mechanism.… … Wikipedia**DC motor**— A DC motor is an electric motor that runs on direct current (DC) electricity. Contents 1 Brush 2 Brushless 3 Uncommutated 4 Connection types … Wikipedia**Angular momentum**— For a generally accessible and less technical introduction to the topic, see Introduction to angular momentum. Classical mechanics Newton s Second Law … Wikipedia**Group (mathematics)**— This article covers basic notions. For advanced topics, see Group theory. The possible manipulations of this Rubik s Cube form a group. In mathematics, a group is an algebraic structure consisting of a set together with an operation that combines … Wikipedia**Ozone**— For other uses, see Ozone (disambiguation). Ozone … Wikipedia**Physics**— (Greek: physis φύσις), in everyday terms, is the science of matter [R. P. Feynman, R. B. Leighton, M. Sands (1963), The Feynman Lectures on Physics , ISBN 0 201 02116 1 Hard cover. p.1 1 Feynman begins with the atomic hypothesis.] and its motion … Wikipedia**Coxeter group**— In mathematics, a Coxeter group, named after H.S.M. Coxeter, is an abstract group that admits a formal description in terms of mirror symmetries. Indeed, the finite Coxeter groups are precisely the finite Euclidean reflection groups; the symmetry … Wikipedia**N-Electron Valence state Perturbation Theory**— In quantum chemistry, N Electron Valence state Perturbation Theory (NEVPT) is a perturbative treatment applicable to multireference CASCI type wavefunctions. It can be considered as a generalization of the well known second order Møller Plesset… … Wikipedia**Quantum stirring, ratchets, and pumping**— A pump is an AC driven device that generates a DC current. In the simplest configuration a pump has two leads connected to two reservoirs. In such open geometry the pump takes particles from one reservoir and emits them into the other.… … Wikipedia