Good User Reputation for FTD (GGD) Low Voltage Fixed Distribution Cabinet for Swansea Factories


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GGD AC low voltage distribution cabinet is applicable to power distribution system of power plants, substations, factories, mines etc, with AC 50Hz, rated working voltage 380V, rated current(0-3150A), for the energy conversing, distributing and control of the power, lighting and power distribution equipment .

GGD AC low-voltage distribution cabinet meet the standards of IEC439 “low-voltage switchgear and control equipment,” GB7251.1-2005 “low-voltage switchgear and control equipment” and passed the CQC certificate.

FTD (GGD) Low Voltage Fixed Distribution Cabinet


Tutorial showing how to test a fuse to see if good or bad to help with your TV repair.

In this video we will show how to test a fuse on a power supply board to see if it is good or bad. A glass fuse can visually show if it is good or not, by looking clear or cloudy. Here are some examples of a good glass fuse and bad glass fuse. If you are unsure if the fuse is good or bad, by just looking at it, you can also check a glass fuse with a meter as we show later in this video.
You can also have a ceramic fuse on your power supply board. The ceramic fuse will not show if it is good or bad. A ceramic fuse may have a colored stripe down the center of it. A ceramic fuse will always have to be tested with a meter to determine if it is good or bad. Before testing, be sure to unplug your TV if your fuse is still in the board and connected to the panel. Here is the fuse on this board, that we are going to test. Set your multimeter to diode mode. The meter reading should show as open, then place one lead on each side of the fuse as we show in the video.
If your meter continues to show as open after you have made contact then you have a bad fuse. If your meter shows all zeros and is beeping, then you have a good fuse.
Since the meter shows all zeros and is beeping, we have a good fuse on the board. A fuse can be tested on or off the board. Here we show testing the fuse off the board. Since the meter shows open, then this is a bad fuse. We also show testing a glass fuse which is done the same way as a ceramic fuse. The glass fuse shows as good, with all zeros and beeping.
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The Siemens Ultra High Voltage DC System is the latest developed system with a new dimension of efficiency in HVDC transmission.
(The Siemens Ultra High Voltage DC System is a newly developed system that ensures increased performance and robustness of the transmission grid during periods of steadily growing energy demand.) It provides a single bipole power transmission capacity of more than seven GW at a voltage of ± 800 kV, while reducing transmission losses by 60 percent compared with standard ± 500 kV HVDC. More:

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