# commutate

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## com·mu·tate

(kŏm′yə-tāt′)
tr.v. com·mu·tat·ed, com·mu·tat·ing, com·mu·tates
To reverse the direction of (an alternating electric current) each half-cycle to produce a unidirectional current.

[Back-formation from commutator.]

## commutate

(ˈkɒmjʊˌteɪt)
vb (tr)
1. (Electronics) to reverse the direction of (an electric current)
2. (Electronics) to convert (an alternating current) into a direct current

## com•mu•tate

(ˈkɒm yəˌteɪt)

v.t. -tat•ed, -tat•ing.
1. to reverse the direction of (a current or currents), as by a commutator.
2. to convert (alternating current) into direct current by use of a commutator.
[1645–55; back formation from commutation]

## commutate

Past participle: commutated
Gerund: commutating

Imperative
commutate
commutate
Present
I commutate
you commutate
he/she/it commutates
we commutate
you commutate
they commutate
Preterite
I commutated
you commutated
he/she/it commutated
we commutated
you commutated
they commutated
Present Continuous
I am commutating
you are commutating
he/she/it is commutating
we are commutating
you are commutating
they are commutating
Present Perfect
I have commutated
you have commutated
he/she/it has commutated
we have commutated
you have commutated
they have commutated
Past Continuous
I was commutating
you were commutating
he/she/it was commutating
we were commutating
you were commutating
they were commutating
Past Perfect
Future
I will commutate
you will commutate
he/she/it will commutate
we will commutate
you will commutate
they will commutate
Future Perfect
I will have commutated
you will have commutated
he/she/it will have commutated
we will have commutated
you will have commutated
they will have commutated
Future Continuous
I will be commutating
you will be commutating
he/she/it will be commutating
we will be commutating
you will be commutating
they will be commutating
Present Perfect Continuous
I have been commutating
you have been commutating
he/she/it has been commutating
we have been commutating
you have been commutating
they have been commutating
Future Perfect Continuous
I will have been commutating
you will have been commutating
he/she/it will have been commutating
we will have been commutating
you will have been commutating
they will have been commutating
Past Perfect Continuous
I had been commutating
you had been commutating
he/she/it had been commutating
we had been commutating
you had been commutating
they had been commutating
Conditional
I would commutate
you would commutate
he/she/it would commutate
we would commutate
you would commutate
they would commutate
Past Conditional
I would have commutated
you would have commutated
he/she/it would have commutated
we would have commutated
you would have commutated
they would have commutated
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Verb 1 commutate - reverse the direction of (an alternating electric current) each half cycle so as to produce a unidirectional currentchange by reversal, reverse, turn - change to the contrary; "The trend was reversed"; "the tides turned against him"; "public opinion turned when it was revealed that the president had an affair with a White House intern"
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References in periodicals archive ?
Traditional fan motors, on the other hand, typically rely on carbon brushes to commutate the motors and these have to be frequently changed as dust from the carbon brushes clogs up the filters.
There are two types of servo motors commonly used for positioning applications; the DC servo motor, which uses mechanical brushes to commutate the motor, and the brushless DC motor, aka the BLDC motor, aka the PM (permanent magnet) brushless motor, which is commutated electronically by external circuitry.
The physical analytical model proposed in [5] roughly approximates that switching pairs commutate instantly, and resulting periodic noise pulses are randomly modulated by the ideal rectangular output current, which is only appropriate for a large sinusoidal LO swing.

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