The safe current carrying capacity of an underground cable is determined by the maximum permissible temperature rise. CURRENT RATINGS Direct in In Duct In Air . mm 0.009 mA 1.00 sq. Leakage current (mA) 0.50 sq. The impedance is calculated as: \(Z_c = \sqrt{R_c^2 + X_c^2}\) Size of 3 Core Cable (Sq.mm) Continuous Current Carrying Capacity in Amp (For 11 KV cable) IN Ground In air 1 50 130 140 2 95 185 200 The density of aluminum is 2.70∙103 kg/m3, and 1 mole of aluminum has a mass of 26.98 g. Clipped Direct to a Surface or on a Cable Tray, and Unenclosed. CABLE STRUCTURAL DESCRIPTION AND CONSTRUCTION DATA XLPE Insulated Copper Wire Screened Cable - 76/132 (145) kVTo IEC60840 andTenaga National Berhad (TNB) Specification...62-63 XLPE Insulated Corrugated Aluminium Sheathed Cable - 160/275 (300) kV to IEC62067 How calculate current carrying capacity of 16 sq … How calculate current carrying capacity of 16 sq mm copper … 95 sq.mm and so on. Answer (1 of 24): 16mm sq Welding cable will carry a) 109 amps @ 35 deg C b) 104 amps @ 40 deg C c) 98 amps @ 45 deg C 16mm sq multi strand solid General Purpose cable will carry a) 80 amps @ 35 deg C b) 74 amps @ 40 deg C c) 70 amps @ 45 deg C All these figures are to be derated over dis. Read about company. (Strip/Wire) 34.1 mm / 31.7 mm; Current Rating (A) 176 Amp; Thickness of PVC Insulation: mm mm mm Kg/Km mm mm mm mm Kg/Km … Cable Price List - Scribd. mm armored or … Unarmoured control cables single to 19 cores of 4 Sq. Field distribution within a high voltage XLPE cable 2.2 Capacity, charging current The operating capacity depends on the type of insulation and its geometry. The cable sizing calculator supports the following conductors: Copper (solid or stranded). Nominal Thickness of PVC . Name Steel Total Aluminium Steel diameter Aluminium Steel Total Strength at 20 oC AWG or AWG or MCM MCM mm mm mm kN ' /km Weight mm2 kg/km kg/km kg/km ASTM SIZES Equivalent Aluminium copper area Area Stranding and wire diameter mm2 mm2 mm2 PELICAN 477 242.30 13.46 255.80 300 152.26 18/4.14 1/4.14 20.70 668.0 105 773 52.30 0.1186 D.C. Resistance at 20 (Ohms/Km) Max. The indicative values of continuous current carrying capacities at Maximum conductor temperature of 90°C (for design purpose by field) of the various sizes of the cables are given below: Sr. No. You may also read: Brushless DC Motor: Construction, Working Principle & Applications A.C. Resistan ce at 70 (Ohms/ Km) Appro x. Reacta nce at 50 Hz (Ohm/ Km) Approx. Flexible copper. production capacity every year: â cable swa current â¦5. Theoretically, the amount of current that can be passed through a single bare copper wire can be increased until the heat generated reaches the melting . The size of the wire is dependant on the current flowing through it. Armour (mm) Min. Cable impedance calculation. Standard current ratings from ERA 69-30pt V Ambient temperature (air) 25°C Ground Temperature 15°C Depth of burial 0.5m Thermal resistance of soil 1.2°C m/w Armour bonded and earthed at both ends Yes Nominal cross sectional area mm² Approx. CABLE STRUCTURAL DESCRIPTION AND CONSTRUCTION DATA XLPE Insulated Copper Wire Screened Cable - 76/132 (145) kVTo IEC60840 andTenaga National Berhad (TNB) Specification...62-63 XLPE Insulated Corrugated Aluminium Sheathed Cable - 160/275 (300) kV to IEC62067 Current carrying capacity of 16 sq mm aluminium cable. Power and auxiliary fixed wiring cables for use in power networks, underground, outdoor and indoor applications and . Cable current derating calculation The current dearing for the cables has been implemented according to AS/NZS 3008:2017. Electrical - Electrical units, amps and electrical wiring, wire gauge and AWG, electrical formulas and motors. Multicore 50MM 2 - 400MM 2. How to calculate aluminium bus bar current carrying Capacity? Power and auxiliary fixed wiring cables for use in power networks, underground, outdoor and indoor applications and . A 6 sq mm copper wire would be about 2.76 mm in diameter (0.108") or about half way between a #9 AWG wire (0.1144") and a #10 AWG wire (0.1019"). Ambient air temperature: 30ºC. mm 0.008 mA 0.75 sq. mm Al (3Ph) Size 1.50 Sq. And above 10 Sq. Current Carrying Capacity of DC Solar Cable with Hr 105°C PVC insulation and uV Stabilised Hr 105°C PVC Sheathing at 40°C Single Cable in air Single Cable on Surface 2 adjacent Cables on Surface Sq.mm ohms-Ω/Km in amps-a in amps-a in amps-a 1.5 13.3 28 26 22 2.5 7.98 39 37 31 4 4.95 50 48 40 6 3.30 64 61 51 10 1.910 89 84 71 16 1.210 119 113 95 What is the current carrying capacity of 240 sq mm aluminium cable? XLPE Insulated Armored & Unarmored Cables: 1.1 KV SINGLE CORE AL/COPPER COND,XLPE INSULATED CABLES As per IS:7098 (Part-I) Cross-sectional area (Sq MM) UN-ARMOURED CABLE Overall Diameter (mm) Normal Current Rating in Amps Short Circuit Current Rating for 1Sec.duration in K. Amps Aluminums Conductor Copper Conductor Aluminums Copper Ground Duct Air Ground Duct Air 1cX4 8… 09 amps (Approx) at 20 C at 70 C at 50 Hz mm mm Kg/Km Ohm/Km Ohm/Km Ohm/Km mFd/Km 2.00 24.00 692 1.20 1.44 0.097 0.86 2.00 25.00 799 0.868 1.04 0.097 0.98 2.00 28.50 1034 0.641 0.77 0.094 1.02 . Cross Section (mm2) Approximate Overall Diameter (mm) Current Rating. Conductor CSA (mm2) Current carrying capacity Max. will determine the amount of current a wire will handle. Buy Polycab 70 sqmm 4 core Aluminium Armoured Power Cable online from Bestofelectricals. Backup fuse 4.00 AMP (415V) Recommended Cable 2.50 Sq. Aluminum. Current carrying capacity is defined as the amperage a conductor can carry before melting either the conductor or the insulation. UV, Ozone, Temperature & Hydrolysis resistant. . DIMENSION DATA & CURRENT CARRYING CAPACITY OF CABLES. Single core PVC cable with aluminium wire armour (AWA). Aluminium wire / Strip Armour StrAnded CompACted Copper / Aluminium ConduCtor pVC FillerS inner SemiCon Copper tApe Answer (1 of 6): Not enough information. Total derating current of 240 Sq.mm Cable = 402×0.5984 = 240.55 Amp. . . Thickness of PVC Outer Sheath (mm) Overall Diameter (Approx.) Size: . Flexible PVC Insulated Cable PVC- Insulated 1 core unsheathed / Sheathed flexible cord with copper conductor 1.1KV ( As per IS:694 - 1990 ) Nominal Conductor Area (Sq.mm) UN SHEATHED SHEATHED Maximum Conductor Resistance at 20°C (ohm/km) Current Carrying Capacity (Amp) Nominal Thickness of Insulation (mm) Maximum overall Diameter (mm) Approx. If you are bothered about the Paramount Aluminium Armoured XLPE Cable 3.5 Core 185 Sq.mm prices, you can be totally sure to get the best rates as Industry brings you genuine Paramount Aluminium Armoured XLPE Cable 3.5 Core 185 Sq.mm rates and quality assured products only from the best of brands with exclusive brand discounts you won't find . cable weight kg . Although aluminium cable in sizes smaller than 25 mm² is available in other countries and is used prolifically in India, aluminium cable is only available from size . Net. of armour wires mm Approx. Current capacity of 240 Sq.mm XLPE Armored aluminum cable in Air is 402 Amp. Very long / Service life > 25. . Thermal resistivity of soil: 1.2ºC m/W. 185 sq mm power cables alibaba.com 185 Sq Mm Power Cables, Different Types Of Copper Cable Price Per Meter. Heat, caused by an electrical current flowing through a conductor, will determine the amount of current a wire will handle. Current Carrying Capacity NOMINAL CROSS . . production capacity every year: â cable swa current â¦5. 1.1 0.9 0.4 2.00 4x0.8 1.56 1.56 34 32 2170 1610 0.4430 0.5670 0.077 0.26 . Sq.mm. For Cables and Wires Info. (mV/A/m): To find the value for (mV/A/m) we need to look in the current carry capacity and voltage drop tables on the pages below. 1) for cables with a service temperature of max. Aluminium's larger wire . Dia. How do you calculate the current carrying capacity of aluminium conductor? supported weight (Kg) 1ph ac 3ph ac See Regs 522.7.2 & 559.6.1.5 0.5mm2 3 3 2 0.75mm2 6 6 3 1mm2 10 10 5 Dia of Conductor (No./dia mm) Current Carrying Capacity (Amps) Rate Per 100 Mtrs. What is the current carrying capacity of 240 sq mm aluminium cable? 17 AN ISO 9001:2000 COMPANY Nominal Size of Conductor Nominal . 1.1 kV (A.C) & 1.5 kV (D.C ) to Earth. Reactance at 50 Hz (Ohm/Km) Approx. Standards / Material Propertie s. Fire performance : IEC 60332-1-2. Current Carrying Capacity Clipped Direct (Ref Method C) One 3 or 4-Core Cable, 3-Phase A.C : 73A . 3.5 CORE ALUMINIUM PVC UNARMOURED POWER CABLES Type No of Min.No Thickness Min cores & of wires of PVC Thickness . Aluminium Power Cable; Size of Conductor: 70 sq mm; Core: 3.5 Core; Conductor Material: Aluminium; Colour: Black; Overall Diameter (Strip/Wire) 34 mm / 31.6 mm; Current Rating (A) 176 Amp; Thickness of PVC Insulation: 1.1 / 0.9 mm; Min.thickness of pvc inner sheath: 0.4 mm; List of Other Technical Tables & Useful Links Table 4D1A | Single-core 70°C Thermoplastic Insulated Cables, Non-Armoured, with or without Sheath Current Carrying Capacity (Amps) of Cables (Copper Conductors) Single core 700c thermoplastic insulated cables (e.g. Defined Conditions. Ib: This is in AMPs, design current which is watts divided by . Aluminium cable has a lower current carrying capacity and greater impedance than the equivalent copper conductor. to 85 °C whereas ordinary PVC is suitable only up to 70 °C and due to this feature HAVELLS Wires are capable to carry Higher current . and an aluminium wire can possess the same current carrying capacity as a H07RN-F copper wire. ), class 2 as per IS 8130. Electron beam cross linked compound. WEIGHT, DIMENSION DATA & CURRENT CARRYING CAPACITY… ALUMINIUM STRIP ARMOURED CABLE ALUMINIUM ROUND WIRE ARMOURED … Sq.mm. Table 4E4A - Current Carrying Capacity in Ampere Current Rating Chart for Multicore Armoured Extract from the IEE Wiring Regulations, 17th Edition Thermoplastic Insulated Cables with Copper 30°C Ambient Air Temperature, Conductors at 90°C Operating Temperature 90°C Conductor Operating Temperature, 20°C Ambient Ground Temperature Related Topics . 3.5 CORE ALUMINIUM XLPE ARMOURED POWER CABLES No. Single Phase (Amps) Three Phase (Amps) 1.5. Let's have a simple example of 4 sqmm bus bar. Standard ground temperature: 20ºC. Conductor : AL up to 10 Sq. and copper cables is the current carrying capacity and impedance. Armour (mm) Min. mm mm mm Kg/Km mm mm mm mm Kg/Km mm mm mm Kg/Km Amps. Weight (kg/100m) Nominal Thickness… A.C. Resistance at 70 (Ohms/K m) Approx. Get contact details and address | ID: 4719532855 Under Armour mm Nominal dia. Recommended Cable Sizes for Motors Current Rating of Wires & Cables Motor Output Full Load Current 1.00 AMP 0.60 AMP Direct Online Starter Overload Relay Range 1.50-3.00 AMP Max. Wet of Cable Max. (mm) Approx. Mtrs. Values for resistance are based on electrical resistivity for copper 1.724 x 10-8 Ω m and electrical resistivity for aluminum 2.65 x 10-8. prefixes; The higher the gauge number, the smaller the . Aluminium current-carrying is equal to 0.8 times of the total volume of the aluminium (length*breath*thickness). mm conductor are solid Cl. Current carrying capacity of 16 sq mm aluminium cable. XLPE insulation, PVC sheath, low voltage power cable: YJLV 0.6/1kV: 0.6/1kV aluminum conductor, XLPE insulation, PVC sheath, low voltage power cable: Current carrying capacity of a wire is defined as how much load a conductor can carry (In amperage). Wire Circular mils = √3 x 2 x ρ x I x L / (% Allowable Voltage drop of source voltage ) Note: the Value of ρ = Specific resistance or resistivity of Conductor is used here for copper and aluminum is 11.2 and 17.4 respectively at 53° C (127° F) Also check the "Good to know . Current Carrying Capacity (cables . 40°c (AMP) 60 76 92 110 4 Approx weight (Kg/Km) 250 330 430 580 5 Number of cores: (i) Power cores (ii) Neutral Messenger Core 6 Derating factor: WEIGHT, DIMENSION DATA & CURRENT CARRYING CAPACITY OF CABLES 3.8 / 6.6 KV (E) HT XLPE SINGLE CORE 16 6.35/11 KV (E) 6.6/6.6KV (UE) HT XLPE SINGLE CORE 17 . As a raw material, aluminium is approxi-mately 70 percent lighter in weight than copper. The formula for calculating current carrying capacity is: R = Alternating current resistance per unit length of the conductor at maximum operating temperature (Ω/m) Wd = dielectric loss per unit length for the insulation surrounding the conductor (W/m) T1 = Thermal resistance per unit length between one conductor and the sheath (K m/W) mm to 400 Sq. Coil 7 Core 8 Core 10 Core 12 Core Flame Retardant, Low Smoke. AWG to Square mm Wire Size Converter AWG To Square Mm Wire Size Converter Convert between AWG, inches and… Cross sectional area (Sq mm) (ii) Approx Tensile Strength (KN) 3 Current ratings: Continuous current carrying capacity of 25 7.4 25 7.4 25 7.4 35 10.3 cable in Air at Ambient temp. No. 1 1,5 4 6 10 16 25 35 50 70 95 120 8- current capacity: ⦠interlocked aluminum power cord with or without external sheath, or $ 5 ⦠50 000 SQ.MM. (mm) Approx. 1) Current ratings for up to 1000 V, PVC-insulated single and multicore wiring cables, ambient temperature up to 30 o C. Download and print AWG chart. (i) Nom. 70 o C: 13.80 KA/SEC: 120 sq-mm Aluminium conductor: PVC Insulation: 70 o C: 9.12 KA/SEC: 120 sq-mm Copper conductor: PVC Insulation: . Amps. ; Aluminum Conductor Characteristics - Characteristics of all-aluminum . Solar DC Cable. 17.5. 40°c (AMP) 60 76 92 110 4 Approx weight (Kg/Km) 250 330 430 580 5 Number of cores: (i) Power cores (ii) Neutral Messenger Core 6 Derating factor: of wires Thickness of Insulation Min. The following formula is used to calculate Voltage Drop in 4 core SWA cable = (mV/A/m) x Ib x L / 1000. Net. ; Related Documents . Cables with Aluminium Conductors: Nominal cross-sectional area sqmm: 70: 70: Approximate diameter over conductor mm . Wet. 34.1: Approximate weight of cable kg/m: 1560: 1140: Minimum bending radius (static) mm: 340: 340: Maximum pulling tension on cable kg: 350: 210: Maximum DC resistance (R) @ 20°C W/km: . For 2.5 Sq.mm = 6×2.5 = 15 Amp, For 1 Sq.mm = 6×1 = 6 Amp, For 1.5 Sq.mm = 6×1.5 = 9 Amp . A9AWA1070 1 70 1.1 14.7 20.2 960 25 CC8 . Conductor. Multiply the current carrying capacity of the cable by the factors given below for various ambient temperature. For cables having flexible conductors see section 2.4 of this appendix for adjustment factors for current-carrying capacity and voltage drop. How do you calculate the current carrying capacity of aluminium conductor? The cause of temperature rise is the losses that occur in a cable which appear as heat . CURRENT-CARRYING CAPACITY TABLES . Production capacity every year: â cable swa current â¦5 bar current capacity! Clipped Direct to a Surface or on a cable Tray, and Unenclosed installations in buildings 402×0.5984 = 240.55.! 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