Definition

1. Noun:

   • Switch: A device used to open or close an electrical circuit, or to change the connection between different parts of a circuit.
   • Commutator: A specialized rotary switch used in certain types of electric motors and generators to reverse the direction of current.

2. Verb:

   • To switch: The act of changing or shifting, especially in the context of electrical circuits or telecommunications.

Usage Examples

• Noun:

  • Anh ấy bật chuyển mạch để khởi động động cơ. (He flipped the switch to start the engine.)
  • Chuyển mạch trong động cơ điện cần được bảo dưỡng định kỳ. (The commutator in the electric motor needs regular maintenance.)

• Verb:

  • Kỹ sư sẽ chuyển mạch sang nguồn điện dự phòng. (The engineer will switch to the backup power source.)

Advanced Usage

• "chuyển mạch kế": Refers to a "sequence switch" or "stepping switch," a type of switch that moves through a fixed sequence of positions.
• "chuyển mạch nhánh": Refers to a "branch switch" in telecommunications or networking.

Variants and Related Words

• Chuyển mạch điện tử (Electronic switch): A switch that has no moving mechanical parts, using semiconductor components.
• Bộ chuyển mạch (Switching unit/device): A unit or assembly containing one or more switches.
• Sự chuyển mạch (Switching): The process or action of switching.

Synonyms

• Công tắc: This is a more common general term for a (light) switch. "Chuyển mạch" often implies a more complex or specific switching function.
• Thiết bị đóng cắt: Switching device.

Related Phrases (Phrasal Verbs)

• Chuyển mạch qua lại: To switch back and forth.
• Thực hiện chuyển mạch: To perform a switchover.

Related Idioms

Note: As a technical term, "chuyển mạch" is not commonly used in idiomatic expressions. Its usage is primarily in technical and engineering contexts.