6.3 Penghantaran dan pengagihan tenaga elektrik (part 1)

Arus apakah yang dihasilkan oleh stesen jana kuasa?

What is the current generated by the power station?

• Terus

  Direct

• Ulang-alik

  Alternating

Transformer apakah yang digunakan untuk menukarkan jumlah voltan arus ulang-alik dari 11kV atau 25kV yang dihasilkan di Stesen Jana Kuasa kepada 132kV, 275kV atau 500kV?

What is the transformer used to convert the total voltage from 11kV or 25kV at the Power Station to 132kV, 275kV or 500kV?

• Transformer injak naik

  Step-up transformer

• Transformer injak turun

  Step-down transformer

• Transformer ringkas

  Simple transformer

• Tiada transformer

  No transformer

Mengapakah voltan arus ulang alik dinaikkan sebelum melalui Rangkaian Grid Nasional?

Why is the alternating current voltage increased before going through the National Grid Network?

• Menurunkan nilai arus sepanjang penghantaran

  Decreases the value of the current during transmission

• Mengurangkan rintangan pada kabel penghantaran

  Reduces resistance to transmission cables

• Mengelakkan susutan voltan sepanjang penghantaran

  Avoid voltage drop during transmission

• Mengurangkan kadar tenaga elektrik

  Reduce the power rate

Apakah perubahan tenaga yang berlaku semasa penghantaran arus ulang alik pada kabel penghantaran di Rangkaian Grid Nasional (RGN)?

What is the energy change that occurs during the transmission of a shuttle on a transmission cable in the National Grid Network (RGN)?

• Tenaga Elektrik - Tenaga Haba

  Electrical Energy - Heat Energy

• Tenaga Elektrik - Tenaga Kinetik

  Electrical Energy - Kinetic Energy

• Tenaga Haba - Tenaga Elektrik

  Heat Energy - Electrical Energy

• Tenaga Elektrik - Tenaga Keupayaan Graviti

  Electrical Energy - Gravitational Potential Energy

Apakah fungsi Lapangan Suis?

What is the function of the Field Switch?

• Menjana Tenaga Elektrik

  Generating Electricity

• Menghantar bekalan tenaga elektrik daripada Stesen Jana Kuasa

  Transmission of electricity from Power Generation Station

• Mengurangkan nilai voltan arus ulang alik

  Reduces the value of alternating current

• Membolehkan stesen janakuasa dan grid tertentu ditutup tanpa menganggu bekalan elektrik

  Allows certain power stations and grids to be closed without interrupting power supply

Di manakah nilai voltan arus ulang alik paling tinggi?

Where is the highest voltage of the alternating current?

• Stesen jana kuasa

  Power station

• Rangkaian Grid Nasional

  National Grid Network

• Pencawang bahagian

  Branch Substation

• Pencawang masuk utama

  Main substation

____________________ membolehkan tenaga elektrik dihantar ke pencawang bahagian apabila diperlukan.

____________________ enables electricity to be sent to the substation when needed.

• Rangkaian Grid Nasional

  National Grid Network

• Stesen jana kuasa

  Power station

• Lapangan Suis

  Field Switch

• Stesen transformer

  Transformer station

Rajah di bawah menunjukkan carta penghantaran dan pengagihan tenaga elektrik. Apakah kegunaan X?

The diagram below shows the transmission and distribution chart of electricity. What are the uses of X?

• Menurunkan nilai voltan arus ulang alik

  Lower the value of the alternating current

• Menjana tenaga elektrik

  Generate electricity

• Membolehkan tenaga elektrik dihantar apabila diperlukan pencawang bahagian

  Allows electrical power to be sent when a substation is required

• Menaikkan nilai voltan arus ulang alik

  Increases the value of the alternating current

Berdasarkan Rajah di bawah, apakah Y?

Based on the diagram below, what is Y?

• Transformer injak naik

  Step-up transformer

• Lapangan Suis

  Field Switch

• Pencawang bahagian

  Branch substation

• Rangkaian National Grid

  National Grid Network

Pada pendapat anda berdasarkan kajian oleh WHO, adakah kesihatan manusia terjejas sekiranya rumah seseorang berada berhampiran dengan pilon Rangkaian Grid Nasional?

In your opinion based on WHO research, is human health affected if someone's home is near the National Grid Network pylon?

• Ya, sangat terjejas

  Yes, very affected

• Tidak terjejas

  Unaffected