Iec 60287 for cable thermal analysis gives analytical expressions for the computation of the geometric factor of threecore cable insulation, whereas the nehermcgrath approach makes a reference to the paper by. Vhf leaky feeder radiating coaxial cable 75 ohm up to 450 mhz bulk reel 500 meters 1640 feet click image to zoom. The procedure to measure the radiating cable coupling losses is defined by the iec 61196 4. The solar radiation calculator is a tool that estimates the intensity of solar radiation for a. The purpose of this cable is to radiate the rf down the cable line, enabling communications in a specific area that an antenna may not necessarily be able to be mounted. Radiating cables are basically coaxial cables with slots cut into the outer conductor, which allow controlled levels of electromagnetic energy to be radiated both out of and into the cable. A radiating cable functions both as a transmission line and as an antenna.
Easily find all your cable sizes and voltage drops. Erp calculator comes preprogrammed with data files including published data for several popular brands and types of coax cable as well as several popular antenna system brands and models. Pasternacks coaxial cable impedance calculator allows you to enter the outer diameter dielectric width, inner conductor diameter width and either the dielectric constant or velocity of propagation vop values in order to calculate the impedance of the coax. Cable connected circuitry is the biggest cause of electromagnetic interference compared to printed circuit board traces, electrical cables are usually much longer and more efficient at radiating and picking up electromagnetic fields. Etap cable sizing software provides various options which can be used for design requirements. The most important differences between the iec 60287 and nehermcgrath approaches are listed below. This tool provides a fast and easy way for choosing power cables by radio power requirements, power trunk and power jumper conductor size, or trunk cable length. Cablesizer cable sizing calculations to iec and nec standards. May, 2011 with radiaflex, a single rf wideband radiating cable can be used for multiservice, multioperator and multiband applications. Cablecalc pro is sometimes referred to as cablecalc. Rfs has a wide range of radiating cables available, each optimized for the following fields of application. Coaxial cable calculator electrical, rf and electronics calculators. You can use it for planning your rf links with our pulsar wireless ethernet bridges, or with other radios in any frequency band. The reactance for single core cables is selected from the flat, touching column in from table 30 in asnzs 3008.
This coaxial cable calculator determines the distributed capacitance and. You can calculate the cable current rating for up to 4 different cable systems or heat sources in. If you would like to calculate just wattage and antenna gain without the transmission line and its effects, simply insert a low frequency into the frequency text box 0. Etaps cable steadystate temperature calculation software is based on the nehermcgrath method and iec 60287 standard. The nehermcgrath approach for cable thermal calculation approach uses a userdefined load factor, whereas the iec 60287 approach assumes a unity load factor. Emi software llc electromagnetic interference software. A leaky feeder is a communications system used in underground mining and other tunnel environments. Cable steadystate temperature calculation cable thermal. Heres how it works, for single or three phase cable calculations, simply. Eupen cableworks kabelwerk cablerie kabelfabriek cable manufacturer, low voltage medium voltage power cables offshore and safety cables for nuclear power plants, airfield lighting cables, instrumentation cables, rfcables, telecom and fibre optic cables, emccables, global supplier of plastic pipes and fittings for all applications. As a leader in communications infrastructure, we have built a. Cable headend optics platforms inside plant optical passives optical amplifiers. The prosoft technology radiating cable is specially designed to radiate 802. Simply adjust or specify the presented parameter values to get your results.
This software package helps system engineering and construction groups. This calculator provides a stations effective radiated power using transmitter. The rc insertion loss is equal to the cable length multiplied by the longitudinal attenuation. Manufacturers and cabling professionals use the term radiating cable better source needed as this implies that the cable is designed to radiate. The most popular versions among cablecalc pro users are 3. Cablesizer cable sizing calculations to iec and nec. Moreover design errors, incorrect calculation of cable lengths and missing accessories or optional items are common problems which may give rise to errors during the design or tender. A radiating cable or leaky feeder is a coaxial cable where the outer conductor has been slotted allowing radiation to occur along the cable length for uniform coverage. Get access to commscope calculation, performance specification, configuration. The rf energy is simultaneously transmitted down radiating cables and radiated from all points along them into the surrounding space. This longitudinal attenuation is somewhat influenced by the stand off distance between the rc and the wall or ceiling to which it is hung. This air802 leaky feeder radiating coaxial cable is approved by msha with a lszh jacket for 150 mhz vhf radio wireless systems in mine, tunnels and other applications. According to this standard, two measurement configurations are permitted, i.
Effective radiated power erp from antenna gain db calculator free. The amount of radiation is quantified by the coupling loss. As a leader in communications infrastructure, we have built a future network that is always online. But it\s different now, as long as the latest copper input to the system, the. Radio transmission in confined areas in todays world, where everincreasing demands are placed on data throughput, connection speeds and finding ways to communicate wireless under all circumstances, radiating cables can often provide an optimal solution. This cable calculator app checks the volt drop, max zs value and current carrying capacity of the cable during its calculation. Our antivirus scan shows that this download is safe. Specifications subject to change without notice the clear choice installation guideline edition j page 33 rfs 1 vehicles and machines a cable trolley or cablelaying truck is suitable for transporting the drums to the site. Cablemate, etap cable sizing, prodesign, and electricalom are some of the best cable calculation software solutions you can download on. Radiax radiating coaxial cables solve wireless communication problems in confined areas by functioning as a continuous distributed antenna.
Rlk series for applications in tunnels and buildings, where low coupling loss variations are required. Rf link budget calculator this radio link budget calculator tool lets you quickly compute the free space loss, received signal strength, fade margin, distance and more. With radiaflex, a single rf wideband radiating cable can be used for multiservice, multioperator and multiband applications. About radiating cables radiating cables kabelwerk eupen ag. The cymcap software is dedicated to the calculation of ampacity and temperature rise calculations for power cable installations. No download needed, direct access from your web browser. Installation in buildings is normally carried out using ladders or mobile scaffolds. Now it takes just 5 seconds to calculate cable sizes, this means you can quickly produce precision results every time in full compliance. In all options the user can choose whether the trough is exposed to sun radiation or it is shaded. You need your length of cable, say 30m or 50m, whatever. Singlecable is a cable calculation software that is extremely simple to use and provides results in seconds, whether the cable is a submain feeder or final circuit.
Erp calculator plus erp calculator is an amateur radio software utility designed to perform a sidebyside comparison of two ham radio antenna systems. Quick online free voltage drop calculator and energy losses calculation, formula of electrical dc and ac power wire voltage drop for various cross section cables. Pasternacks coaxial cable impedance calculator allows you to enter the outer diameter dielectric width, inner onductor diameter width and either the dielectric constant or velocity of propagation vop values in order to calculate the impedance of the coax. Prosoft technology radiating cable is specially designed to radiate 802. Coaxial antenna theory l coaxial antenna has basic coaxial cable transmission characteristics with some exceptions.
Electrical calculation tools are based upon schneider electric ecodial electrical network calculation wellknown software. Draka has added to its already extensive customer support arsenal with the launching of a unique cable sizing calculator on its website. Electrical calculation pc software for windows calculate the correct copper cable size for your electrical installation. Cobhams radiating cable antennas operate over broad frequency ranges and they can be used for transmit, receive and simultaneous txrx applications. Based in microsoft excel, our advanced electrical designing software will help you to select the correct cable for the job. A wide variety of radiating cable options are available to you, there are 620 suppliers who sells radiating cable on, mainly located in asia. Etap cable sizing program calculates the minimum size required by meeting the overload protection conditions between derated ampacity, operating current and nominal current. With the latest iec 60364 lte module you can calculate with fuses up to 5000 a. Effective radiated power erp calculate erp from known transmission variables. Carefully controlled slots in the outer conductor allow rf signals to be coupled from and into the cable uniformly along the entire length. Software with a unique approach to the sizing of cables, conduit and trunking.
It includes a coaxial cable loss calculator with preloaded loss parameters for a variety of lmr and. Cable high voltage electrotechnik pty ltdelectrical calculations. The reactance for multicore core cables is selected from the circular conductors column in from table 30 in. An indispensable tool ensuring accurate calculations from as3000 and as3008 designed to ensure compliance with the australian standards asnzs 3008. Calculate the voltage drop of a defined cable and check the maximum length. Leaky feeder radiating coax cable 75 ohm 150450 mhz. Commscope technology was established in suzhou, china in january 2004.
Rlk series for applications in tunnels and buildings, where low. Once calculated, the program also enables you to look at the results for the next cable size larger or smaller, and the same facility is available for the protective device. Rfs rfs brings radiaflex, the worlds leading leaky. In tunnel vs free space radiating cables kabelwerk. Rfs is the only global supplier of radiating cables to support different radiation polarizations. Cable sizing software cable sizing calculation etap. For example, if the rc is directly against a concrete surface, the impact 1 1 radiating cables. The ideal electrical design and circuit calculation software for electrical contractors, electrical consultants and electrical engineers. Radiating cables kabelwerk eupen ag in tunnel vs free space. No deployment, no hardware, no software installation.
Usually, cl50% and cl95% are specified in the rc data sheets. It can be accessed around the clock by registering free at. Cable sizing software computes the size of the cable by also considering overload protection. In the tables of the data sheets, the coupling loss is defined as the difference between the power transmitted into the cable and the power. The radiation pattern reflects the amount of power radiated from the dipole in any given direction. Electrical design, cable sizing and certification software. Download the best cable calculation software windows report. This means the cables can be installed in any position relative to the receive antenna location. Alf, rlf series for heavy duty wideband and multiuse applications in tunnels of all kinds. The radiation pattern of a dipole antenna is of particular importance for many reasons it needs to be orientated so that it picks up the maximum level of signal or radiates the maximum amount of signal in the required direction.
Acting as a long, flexible antenna, the radiating cable may be installed along monorail systems, overhead cranes and through tunnels to propagate wireless data signals in situations tough for traditional antenna systems. It mainly produces broadband coaxial cables, twisted pair network cables, copper and fiber optic connectors. On each end of the cable you need to fit one of the proprietary n socket connectors. Radiating cables kabelwerk eupen ag radiating cables. Cablesizer is an automated cable sizing and design calculation tool to iec and nec standards. Commscope helps design, build and manage wired and wireless networks around the world. Cablecalc pro works fine with 32bit versions of windows xpvista7810. The antenna construction is rugged and is suitable for airborne, vehicular or stationary ground applications. These design requirements can be userdefined or automatically determined from load flow, short circuit, and protective device calculation results. User friendly interface with full and accurate cable sizing calculations to iet bs7671 and integrated electrical cad plan design features. The cable sizing calculator uses the resistance rc from table 35 in asnzs 3008 at 75c.