usage and selection of submersible flat cable n.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
USAGE AND SELECTION OF SUBMERSIBLE FLAT CABLE PowerPoint Presentation
Download Presentation
USAGE AND SELECTION OF SUBMERSIBLE FLAT CABLE

Loading in 2 Seconds...

play fullscreen
1 / 3

USAGE AND SELECTION OF SUBMERSIBLE FLAT CABLE - PowerPoint PPT Presentation


  • 6 Views
  • Uploaded on

One of the problems of working with electrical devices in underground or underwater conditions is the possibility of an \nelectric leakage, which can be fatal. There is also the risk that comes from the corrosion caused by a highly moist environment. This is why we need specially constructed cables like submersible flat cable.\n

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'USAGE AND SELECTION OF SUBMERSIBLE FLAT CABLE' - ultracab


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
usage and selection of submersible flat cable

USAGE AND SELECTION OF SUBMERSIBLE FLAT CABLE

One of the problems of working with electrical devices in underground or underwater conditions is

the possibility of an electric leakage, which can be fatal. There is also the risk that comes from the

corrosion caused by a highly moist environment. This is why we need specially constructed cables

like submersible flat cable.

Submersible cables are often found with submersible pumps. These are also suitable for the

underground application. A submersible cable is constructed so that it can withstand the highly

corrosive nature of its environment while staying efficient in carrying electricity.

Usage

These cables are found in a wide range of applications, such as:

Sewage treatment plants

Waste management

Water supply plants

Aquariums

Irrigation industry

Gas drilling

Deep well boring

Marine industry

Based on their application there are two broad classifications of submersible flat cable underground

feed cable and submersible pump cable. The difference in the two lies in their positioning. The

submersible pump cable is placed between the wellhead and the pump, while the underground feed

cable is placed between the wellhead and the control panel. Both are equipped to carry electricity

while submerged in water. However, the underground feed cable can also be buried underground.

choosing a submersible cable given the demanding

Choosing a submersible cable:

Given the demanding nature of its environment, it is important that the cable is chosen carefully.

Any fault here will not just impact the functioning of the pump, it can also be dangerous.

Type of cable

Submersible cables are available in three types: twisted, heavy-duty flat jacketed and flat twisted.

The heavy-duty submersible flat cable is suitable for the very demanding operations of submersible

cables. Not only the installation process, where the cable is twisted and turned, it must also

waistband vibrations and the torque force that accompanies the pump’s functioning.

The flat cables — both twisted and parallel were considered expensive. The steel casing that was

required for its demanding environment, made the cable more expensive than other alternatives.

But PVC insulation has made the cable more affordable, although it is not as strong in mechanical

strength as a steel jacketed cable.

Cable size

Submersible cable conductors come in all kind of sizes. The size of the cable is decided according to

multiple criteria. The length of the cable is important here since it will decide the ampacity. When

calculating the ampacity, you must take into account the cable location in free air, in water or in

conduit. Voltage drop is another factor that must be taken into account when measuring the length.

It is not unusual to find a submersible pump with multiple sized cables. This usually happens when

the pump is already installed and we need extra cabling. Different sized cables can be used only after

carefully calculating requirements.

stranding this term is meant for the copper

Stranding

This term is meant for the copper strands that form the conductor of the cable. Stranding is

important because the finer it is, the more flexible is the cable. Today you can get cables with

different flexibilities. Depending on the functioning and the operating temperature, you can select

the flexibility of a cable.

Insulation

The insulation is an important factor in the submersible cable because the cable has to resist the

corrosion caused by water, chemicals while withstanding demanding installations. Some cables are

required to move around and withstand the torque movement of a pump. In some cases, like in an

STP, the cables are working in extremely toxic and corrosive environment. The insulation becomes

critical because of such conditions. Steel jacketed, rubber, PVC — all these have been used as

insulating material. Steel lacks flexibility and is expensive. Rubber is flexible but quite expensive. PVC

is both flexible and affordable. It is also quite light, making its installation easier.

Grounding cable

Most submersible pumps also require grounding so as to ensure safety. In some cases, this is

extremely critical. So, you may require the cable for grounding.

Flexibility

As explained above, flexibility can be a major requirement. Some pumps have movement, some are

used in the extremely cold environment. In the first case, a cable will need the flexibility to cope with

movement caused by pump’s vibration and torque pull when it is switched on. In the second case, an

extremely cold environment can make cable maneuvering difficult. A rigid cable will only make it

worse.

Submersible flat cables are used all around us. When selecting a submersible cable, check its type,

decide the size, standing, and insulation.

This Article is originally Posted on:-

http://chyngle.com/business/usage-and-selection-of-submersible-flat-cable.htm