 electrical load calculation YouTube Helpful chart that outlines standard electrical formulas used for power consumption calculations to determine KVA, Kilowatts, Horsepower, and Amperes

## How to Calculate Voltage Drop Recon Electrical Ltd

Standard Electrical Formulas Used for Power Consumption. Per-unit System. Share! Home / Resources (video trainings, theorems) / Knowledge / Electrical Formulas / Per-unit System. Formulas. For each system parameter, per-unit value is equal to the actual value divided by a base value: E pu = E / E base. I pu = I / I base. Z pu = Z / Z base., Electrical Calculations is the best app in the electrical sector, it has many calculations that can help you in your work. It can not miss in your smartphone! Wire size Calculation of voltage drop Calculation of current Calculation of voltage Calculation of active power Calculation of apparent power Calculation of reactive power Calculation of.

What is allowable Voltage Drop? Voltage Drop Calculator (Advanced) Voltage Drop Formulas and Calculation Basic Voltage Drop Formula. Solved Example on Voltage Drop Calculations. Voltage Drop Formula for Steel Conduit. Voltage Drop formula for Single Phase and DC Circuits Voltage Drop Calculation and Formulas for Three Phase system. Voltage Drop The main idea of a per unit system is to absorb large differences in absolute values into base relationships. Thus, representations of elements in the system with per unit values become more uniform. A per-unit system provides units for power, voltage, current, impedance, and admittance.

Short-Circuit Calculation In electrical systems, power flows from the sources to loads through circuit components which has specific impedances. Short-Circuit Calculation Formula 1 The rating of voltage required to circulate full rated current to the rated voltage is the Per Unit Impedance of the particular transformer of motor. Voltage Calculator is also used in electrical engineering to measure the unknown voltage by two known quantities kVA and current applied to the below formulas. For single phase connection, voltage can be mathematically derived from this below formula For three phase connection, voltage can be mathematically derived from this below formula

8-3-2017В В· with help o this video you can calculate electric load...electric load calculation for commercial area and house . industries The consumption of electric energy is measured in terms of watt-hour. Electronic devices consume electric energy to generate desired output. Electricity Cost Calculation for running various electrical appliances such as Ac, cooler, fan, lamp etc., can be calculated using this energy consumption calculator.

Volume 2 Electrical Installation Calculations originally written by If a calculation shows 10в€’3, i.e. 25 Г— 10в€’3 enter 25 EXP в€’3 = (0.025) (when using EXP if a minus Base quantity Base unit Symbol Time Second s Electrical current Ampere A Length Metre m Mass Kilogram kg PER-UNIT AND BASE IMPEDANCE CALCULATOR. Change of Base Formula. Capacitor Bank Per-Unit Calculations. Motor Per-Unit Calculations. Where: The per unit system of calculation is a method whereby system impedances and quantities are normalized across вЂ¦

The consumption of electric energy is measured in terms of watt-hour. Electronic devices consume electric energy to generate desired output. Electricity Cost Calculation for running various electrical appliances such as Ac, cooler, fan, lamp etc., can be calculated using this energy consumption calculator. Per-unit System. Share! Home / Resources (video trainings, theorems) / Knowledge / Electrical Formulas / Per-unit System. Formulas. For each system parameter, per-unit value is equal to the actual value divided by a base value: E pu = E / E base. I pu = I / I base. Z pu = Z / Z base.

PER-UNIT AND BASE IMPEDANCE CALCULATOR. Change of Base Formula. Capacitor Bank Per-Unit Calculations. Motor Per-Unit Calculations. Where: The per unit system of calculation is a method whereby system impedances and quantities are normalized across вЂ¦ free online electrical engineering courses, books, software, spreadsheets, design guides, cad details, standards and codes Electrical Calculations Sheet -Motor ~ Electrical Knowhow Home

7-4-2017В В· explained how to calculate electrical load in house. 8-3-2017В В· with help o this video you can calculate electric load...electric load calculation for commercial area and house . industries

7-4-2017В В· explained how to calculate electrical load in house. PER UNIT IDENTITIES DISCUSSION: Per Unit (pu) systems are used by engineers to quantify equipment parameters in terms of their Nameplate Ratings. For example, a motor with a 100 Horsepower (HP) nameplate rating which delivers 90 HP to a dynamic load is said to be 90% loaded or 0.9 per unit. In this case, the per unit base is the nameplate

You are a panel builder, Electrical calculation tools can help you: To preset protection trip unit and to display the result on the time current curve. To preset protection trip curves when protection discrimination is mandatory. To select new circuit-breakers when discrimination is mandatory. Volume 2 Electrical Installation Calculations originally written by If a calculation shows 10в€’3, i.e. 25 Г— 10в€’3 enter 25 EXP в€’3 = (0.025) (when using EXP if a minus Base quantity Base unit Symbol Time Second s Electrical current Ampere A Length Metre m Mass Kilogram kg

Basic Electrical Power Fundamentals LOAD REFERENCE toasters, unit heaters, base board heat use actual wattage Basic Electrical Fundamentals Voltage, current kilowatts, kilovolt amps. 1. Voltage - the electrical pressure needed to force current through any load. Electrical space heating < 4 separate units (65% NP rating) Single Family Dwelling Load Calculation вЂ“ Step by Step Example (Optional Method) CEC 220.82. 2800 sq. ft. 14 kW range . 3 kW water heater . 5 kW clothes dryer . 1.5 kW dishwasher . 15 kW central heat .

### Per-unit system Wikipedia What are Watt Kilowatt and a unit of electricity Bijli. Per-unit System. Share! Home / Resources (video trainings, theorems) / Knowledge / Electrical Formulas / Per-unit System. Formulas. For each system parameter, per-unit value is equal to the actual value divided by a base value: E pu = E / E base. I pu = I / I base. Z pu = Z / Z base., Electrical space heating < 4 separate units (65% NP rating) Single Family Dwelling Load Calculation вЂ“ Step by Step Example (Optional Method) CEC 220.82. 2800 sq. ft. 14 kW range . 3 kW water heater . 5 kW clothes dryer . 1.5 kW dishwasher . 15 kW central heat ..

### kVA (Single and Three Phase) Calculator electrical load calculation YouTube. Short-Circuit Current Calculations Basic Point-to-Point Calculation Procedure Step 1. Determine by formula or Table 1 the transformer let-th r oug s- ci e n .S N 3a d4 The multiplier of 2 for some electrical components to account for the single-phase https://fr.wikipedia.org/wiki/LCOE Basic Electrical Power Fundamentals LOAD REFERENCE toasters, unit heaters, base board heat use actual wattage Basic Electrical Fundamentals Voltage, current kilowatts, kilovolt amps. 1. Voltage - the electrical pressure needed to force current through any load.. • How to Calculate Voltage Drop Recon Electrical Ltd
• Per-unit System Electrical Engineering Portal

• The consumption of electric energy is measured in terms of watt-hour. Electronic devices consume electric energy to generate desired output. Electricity Cost Calculation for running various electrical appliances such as Ac, cooler, fan, lamp etc., can be calculated using this energy consumption calculator. Short-Circuit Current Calculations Basic Point-to-Point Calculation Procedure Step 1. Determine by formula or Table 1 the transformer let-th r oug s- ci e n .S N 3a d4 The multiplier of 2 for some electrical components to account for the single-phase

Formula : C Total = C 1 + C 2 + C 3 +. + C n Where,C 1,C 2,..,C n are the individual capacitors values C Total is the total capacitors value in parallel Using this Online Electrical Calculator the parallel Capacitors calculation in a circuit is made easier here. Related Calculator: Recon Electrical Ltd, Units 1-6 Ambrose Buildings, Broombank Road, Chesterfield, Derbyshire, S41 9QJ VAT Reg: 598 6371 75 Company Reg: 3191383 Example 4.7 Calculate the volt drop for the cases of {Example 4.3} for each of the alternative installations. What maximum length of cable would allow the installation to comply with the volt drop

What is allowable Voltage Drop? Voltage Drop Calculator (Advanced) Voltage Drop Formulas and Calculation Basic Voltage Drop Formula. Solved Example on Voltage Drop Calculations. Voltage Drop Formula for Steel Conduit. Voltage Drop formula for Single Phase and DC Circuits Voltage Drop Calculation and Formulas for Three Phase system. Voltage Drop Common electrical units used in formulas and equations are: Volt - unit of electrical potential or motive force - potential is required to send one ampere of current through one ohm of resistance; Ohm - unit of resistance - one ohm is the resistance offered to the passage of one ampere when impelled by one volt

Basic Electrical Power Fundamentals LOAD REFERENCE toasters, unit heaters, base board heat use actual wattage Basic Electrical Fundamentals Voltage, current kilowatts, kilovolt amps. 1. Voltage - the electrical pressure needed to force current through any load. Short-Circuit Current Calculations Basic Point-to-Point Calculation Procedure Step 1. Determine by formula or Table 1 the transformer let-th r oug s- ci e n .S N 3a d4 The multiplier of 2 for some electrical components to account for the single-phase

The consumption of electric energy is measured in terms of watt-hour. Electronic devices consume electric energy to generate desired output. Electricity Cost Calculation for running various electrical appliances such as Ac, cooler, fan, lamp etc., can be calculated using this energy consumption calculator. Volume 2 Electrical Installation Calculations originally written by If a calculation shows 10в€’3, i.e. 25 Г— 10в€’3 enter 25 EXP в€’3 = (0.025) (when using EXP if a minus Base quantity Base unit Symbol Time Second s Electrical current Ampere A Length Metre m Mass Kilogram kg

Free Online calculation of electrical power and energy : formula and calculator AC POWER calculator for single phase or 3-phase system (balanced load) cos П† = cosinus phi (without unit) Formula to calculate power, current and voltage in three-phase wiring 30-6-2014В В· Here voltage drop for 70 Sq.mm Cable (5.8 %) is higher than define voltage drop (5%) so either select higher size of cable or increase no of cable runs. If we select 2 runs, than voltage drop is 2.8% which is within limit (5%) but to use 2 runs of cable of 70 Sq.mm cable is not economical, so itвЂ™s

The consumption of electric energy is measured in terms of watt-hour. Electronic devices consume electric energy to generate desired output. Electricity Cost Calculation for running various electrical appliances such as Ac, cooler, fan, lamp etc., can be calculated using this energy consumption calculator. Basic Electrical Power Fundamentals LOAD REFERENCE toasters, unit heaters, base board heat use actual wattage Basic Electrical Fundamentals Voltage, current kilowatts, kilovolt amps. 1. Voltage - the electrical pressure needed to force current through any load.

21-12-2018В В· Electrical Formulas You can see the formulas for the Electrical Power, Electrical Resistance, Electrical Work, Electrical Current and Electrical Charge and Electromotive Force. One App for different electrical calculation. One of the best feature of this application is it contains calculators with its formula used in Calculation. Per-unit System. Share! Home / Resources (video trainings, theorems) / Knowledge / Electrical Formulas / Per-unit System. Formulas. For each system parameter, per-unit value is equal to the actual value divided by a base value: E pu = E / E base. I pu = I / I base. Z pu = Z / Z base.

30-6-2014В В· Here voltage drop for 70 Sq.mm Cable (5.8 %) is higher than define voltage drop (5%) so either select higher size of cable or increase no of cable runs. If we select 2 runs, than voltage drop is 2.8% which is within limit (5%) but to use 2 runs of cable of 70 Sq.mm cable is not economical, so itвЂ™s Electrical formulas play a great role in finding the parameter value in any electrical circuits. Most commonly used electrical formulas are formulas related to voltage, current, power, resistance etc. Volt is a unit of electrical potential or motive force вЂ“ potential is required to send one ampere of current through one ohm of resistance.

Electrical Calculations is the best app in the electrical sector, it has many calculations that can help you in your work. It can not miss in your smartphone! Wire size Calculation of voltage drop Calculation of current Calculation of voltage Calculation of active power Calculation of apparent power Calculation of reactive power Calculation of 21-12-2018В В· Electrical Formulas You can see the formulas for the Electrical Power, Electrical Resistance, Electrical Work, Electrical Current and Electrical Charge and Electromotive Force. One App for different electrical calculation. One of the best feature of this application is it contains calculators with its formula used in Calculation.

PER-UNIT AND BASE IMPEDANCE CALCULATOR. Change of Base Formula. Capacitor Bank Per-Unit Calculations. Motor Per-Unit Calculations. Where: The per unit system of calculation is a method whereby system impedances and quantities are normalized across вЂ¦ 21-12-2018В В· Electrical Formulas You can see the formulas for the Electrical Power, Electrical Resistance, Electrical Work, Electrical Current and Electrical Charge and Electromotive Force. One App for different electrical calculation. One of the best feature of this application is it contains calculators with its formula used in Calculation.

## Electrical Calculations SheetMotor ~ Electrical Knowhow Energy Consumption Calculator Electricity Cost Calculation. The main idea of a per unit system is to absorb large differences in absolute values into base relationships. Thus, representations of elements in the system with per unit values become more uniform. A per-unit system provides units for power, voltage, current, impedance, and admittance., Formula : C Total = C 1 + C 2 + C 3 +. + C n Where,C 1,C 2,..,C n are the individual capacitors values C Total is the total capacitors value in parallel Using this Online Electrical Calculator the parallel Capacitors calculation in a circuit is made easier here. Related Calculator:.

### Voltage Drop Calculator (Advanced) V Drop Formula

Energy Consumption Calculator Electricity Cost Calculation. Calculate Your Electricity Bill in 1 min by Simple Calculation. It is very easy to calculate the electricity bill and tariff for Electrical Engineering Students but, it makes confusion for non-technical people that concern about their electric charges from the electricity service providers., Free Online calculation of electrical power and energy : formula and calculator AC POWER calculator for single phase or 3-phase system (balanced load) cos П† = cosinus phi (without unit) Formula to calculate power, current and voltage in three-phase wiring.

Electrical Formulas To Find Single Phase Two Phase -Four Wire Three Phase Amps when HP is known HP x 746 V x %EFF x PF HP x 746 V x %EFF x PF x 2 HP x 746 V x %EFF x PF x 1.73 Amps when KW is known KW x 1000 V x PF KW x 1000 V x PF x 2 KW x 1000 V x PF x 1.73 Amps when kVA is kVA x 1000 V kVA This is called apparent power and its unit is VA (Volt Amp) and denoted by вЂSвЂ™. A fraction of this total electrical power which does our useful work is called active power. We denote it as вЂPвЂ™. P = Active power = Total electrical power.cosП† and its unit is watt.

Formula : C Total = C 1 + C 2 + C 3 +. + C n Where,C 1,C 2,..,C n are the individual capacitors values C Total is the total capacitors value in parallel Using this Online Electrical Calculator the parallel Capacitors calculation in a circuit is made easier here. Related Calculator: You are a panel builder, Electrical calculation tools can help you: To preset protection trip unit and to display the result on the time current curve. To preset protection trip curves when protection discrimination is mandatory. To select new circuit-breakers when discrimination is mandatory.

Voltage Calculator is also used in electrical engineering to measure the unknown voltage by two known quantities kVA and current applied to the below formulas. For single phase connection, voltage can be mathematically derived from this below formula For three phase connection, voltage can be mathematically derived from this below formula Per-unit System. Share! Home / Resources (video trainings, theorems) / Knowledge / Electrical Formulas / Per-unit System. Formulas. For each system parameter, per-unit value is equal to the actual value divided by a base value: E pu = E / E base. I pu = I / I base. Z pu = Z / Z base.

Electrical Formulas To Find Single Phase Two Phase -Four Wire Three Phase Amps when HP is known HP x 746 V x %EFF x PF HP x 746 V x %EFF x PF x 2 HP x 746 V x %EFF x PF x 1.73 Amps when KW is known KW x 1000 V x PF KW x 1000 V x PF x 2 KW x 1000 V x PF x 1.73 Amps when kVA is kVA x 1000 V kVA Short-Circuit Calculation In electrical systems, power flows from the sources to loads through circuit components which has specific impedances. Short-Circuit Calculation Formula 1 The rating of voltage required to circulate full rated current to the rated voltage is the Per Unit Impedance of the particular transformer of motor.

The consumption of electric energy is measured in terms of watt-hour. Electronic devices consume electric energy to generate desired output. Electricity Cost Calculation for running various electrical appliances such as Ac, cooler, fan, lamp etc., can be calculated using this energy consumption calculator. 7-4-2017В В· explained how to calculate electrical load in house.

What is Electrical Energy?Before explaining what electrical energy is, let us try to review the potential difference between two points in an electric field. Suppose potential difference between point A and point B in an electric is v volts. As per the definition of potential difference we can say, ifвЂ¦ I put (8) nos. different documents containing Basic and important electrical formulas to permit each one of you to choose, print and file the most likely one to you for your use through this course. You can find detailed information about basic electrical formulas in topic: General Basics of Electricity. 2- Unit Conversion Tables:

Voltage Calculator is also used in electrical engineering to measure the unknown voltage by two known quantities kVA and current applied to the below formulas. For single phase connection, voltage can be mathematically derived from this below formula For three phase connection, voltage can be mathematically derived from this below formula annoyances with the mingling of units from mechanical engineering, electrical engineering and physics. That situation motivated Dr. Roschke to assemble this material. Although I have carefully checked the values given here, it is quite possible that some typographical errors remain. I will appreciate learning any corrections that should be made.

Common electrical units used in formulas and equations are: Volt - unit of electrical potential or motive force - potential is required to send one ampere of current through one ohm of resistance; Ohm - unit of resistance - one ohm is the resistance offered to the passage of one ampere when impelled by one volt Electrical space heating < 4 separate units (65% NP rating) Single Family Dwelling Load Calculation вЂ“ Step by Step Example (Optional Method) CEC 220.82. 2800 sq. ft. 14 kW range . 3 kW water heater . 5 kW clothes dryer . 1.5 kW dishwasher . 15 kW central heat .

7-4-2017В В· explained how to calculate electrical load in house. Calculate Your Electricity Bill in 1 min by Simple Calculation. It is very easy to calculate the electricity bill and tariff for Electrical Engineering Students but, it makes confusion for non-technical people that concern about their electric charges from the electricity service providers.

The main idea of a per unit system is to absorb large differences in absolute values into base relationships. Thus, representations of elements in the system with per unit values become more uniform. A per-unit system provides units for power, voltage, current, impedance, and admittance. Fault Calculation Methods . There are two major problems that can occur in electrical systems: these are open circuits and . short circuits. Of the two, the latter is the most dangerous because it can lead to very high fault currents and these currents can have very substantial effects (thermal heating and electromechanical

Calculators Formulas & Work with Steps getcalc.com. getcalc.com - online calculators, formulas & work with steps (step by step calculation) for expressions, statistics, probability, finance, health, geometry, general purpose & engineering calculations along with basic & scientific calculators., This is called apparent power and its unit is VA (Volt Amp) and denoted by вЂSвЂ™. A fraction of this total electrical power which does our useful work is called active power. We denote it as вЂPвЂ™. P = Active power = Total electrical power.cosП† and its unit is watt..

### What are Watt Kilowatt and a unit of electricity Bijli (PDF) SHORT-CIRCUIT CALCULATION SHORT-CIRCUIT. Common electrical units used in formulas and equations are: Volt - unit of electrical potential or motive force - potential is required to send one ampere of current through one ohm of resistance; Ohm - unit of resistance - one ohm is the resistance offered to the passage of one ampere when impelled by one volt, The main idea of a per unit system is to absorb large differences in absolute values into base relationships. Thus, representations of elements in the system with per unit values become more uniform. A per-unit system provides units for power, voltage, current, impedance, and admittance..

### SINGLE FAMILY DWELLING ELECTRICAL LOAD CALCULATION (O M Per-Unit And Base Impedance Calculation NEPSI. Introduction to Short Circuit Current Calculations . Course No: E08-005 . Credit: 8 PDH . Introduction to Short Circuit Current Calculations . Introduction and Scope . Short circuits cannot always be preventedso system designers can only to try Electrical power systems are вЂ¦ https://en.m.wikipedia.org/wiki/Electric_energy_consumption Basic Electrical Power Fundamentals LOAD REFERENCE toasters, unit heaters, base board heat use actual wattage Basic Electrical Fundamentals Voltage, current kilowatts, kilovolt amps. 1. Voltage - the electrical pressure needed to force current through any load.. What is Electrical Energy?Before explaining what electrical energy is, let us try to review the potential difference between two points in an electric field. Suppose potential difference between point A and point B in an electric is v volts. As per the definition of potential difference we can say, ifвЂ¦ The main idea of a per unit system is to absorb large differences in absolute values into base relationships. Thus, representations of elements in the system with per unit values become more uniform. A per-unit system provides units for power, voltage, current, impedance, and admittance.

Introduction to Short Circuit Current Calculations . Course No: E08-005 . Credit: 8 PDH . Introduction to Short Circuit Current Calculations . Introduction and Scope . Short circuits cannot always be preventedso system designers can only to try Electrical power systems are вЂ¦ Free Online calculation of electrical power and energy : formula and calculator AC POWER calculator for single phase or 3-phase system (balanced load) cos П† = cosinus phi (without unit) Formula to calculate power, current and voltage in three-phase wiring

Calculate Your Electricity Bill in 1 min by Simple Calculation. It is very easy to calculate the electricity bill and tariff for Electrical Engineering Students but, it makes confusion for non-technical people that concern about their electric charges from the electricity service providers. The main idea of a per unit system is to absorb large differences in absolute values into base relationships. Thus, representations of elements in the system with per unit values become more uniform. A per-unit system provides units for power, voltage, current, impedance, and admittance.

Electrical space heating < 4 separate units (65% NP rating) Single Family Dwelling Load Calculation вЂ“ Step by Step Example (Optional Method) CEC 220.82. 2800 sq. ft. 14 kW range . 3 kW water heater . 5 kW clothes dryer . 1.5 kW dishwasher . 15 kW central heat . Calculate Your Electricity Bill in 1 min by Simple Calculation. It is very easy to calculate the electricity bill and tariff for Electrical Engineering Students but, it makes confusion for non-technical people that concern about their electric charges from the electricity service providers.

Introduction to Short Circuit Current Calculations . Course No: E08-005 . Credit: 8 PDH . Introduction to Short Circuit Current Calculations . Introduction and Scope . Short circuits cannot always be preventedso system designers can only to try Electrical power systems are вЂ¦ Formula : C Total = C 1 + C 2 + C 3 +. + C n Where,C 1,C 2,..,C n are the individual capacitors values C Total is the total capacitors value in parallel Using this Online Electrical Calculator the parallel Capacitors calculation in a circuit is made easier here. Related Calculator:

free online electrical engineering courses, books, software, spreadsheets, design guides, cad details, standards and codes Electrical Calculations Sheet -Motor ~ Electrical Knowhow Home HVAC COOLING LOAD CALCULATIONS AND PRINCIPLES 1.0 OBJECTIVE Cooling load calculations may be used to accomplish one or more of the following objectives: a) Provide information for equipment selection, system sizing and system design. b) Provide data вЂ¦

getcalc.com - online calculators, formulas & work with steps (step by step calculation) for expressions, statistics, probability, finance, health, geometry, general purpose & engineering calculations along with basic & scientific calculators. Short-Circuit Calculation In electrical systems, power flows from the sources to loads through circuit components which has specific impedances. Short-Circuit Calculation Formula 1 The rating of voltage required to circulate full rated current to the rated voltage is the Per Unit Impedance of the particular transformer of motor.

I put (8) nos. different documents containing Basic and important electrical formulas to permit each one of you to choose, print and file the most likely one to you for your use through this course. You can find detailed information about basic electrical formulas in topic: General Basics of Electricity. 2- Unit Conversion Tables: The main idea of a per unit system is to absorb large differences in absolute values into base relationships. Thus, representations of elements in the system with per unit values become more uniform. A per-unit system provides units for power, voltage, current, impedance, and admittance.

8-3-2017В В· with help o this video you can calculate electric load...electric load calculation for commercial area and house . industries Free Online calculation of electrical power and energy : formula and calculator AC POWER calculator for single phase or 3-phase system (balanced load) cos П† = cosinus phi (without unit) Formula to calculate power, current and voltage in three-phase wiring

I put (8) nos. different documents containing Basic and important electrical formulas to permit each one of you to choose, print and file the most likely one to you for your use through this course. You can find detailed information about basic electrical formulas in topic: General Basics of Electricity. 2- Unit Conversion Tables: The main idea of a per unit system is to absorb large differences in absolute values into base relationships. Thus, representations of elements in the system with per unit values become more uniform. A per-unit system provides units for power, voltage, current, impedance, and admittance. annoyances with the mingling of units from mechanical engineering, electrical engineering and physics. That situation motivated Dr. Roschke to assemble this material. Although I have carefully checked the values given here, it is quite possible that some typographical errors remain. I will appreciate learning any corrections that should be made. Volume 2 Electrical Installation Calculations originally written by If a calculation shows 10в€’3, i.e. 25 Г— 10в€’3 enter 25 EXP в€’3 = (0.025) (when using EXP if a minus Base quantity Base unit Symbol Time Second s Electrical current Ampere A Length Metre m Mass Kilogram kg