MERALCO POWER LAB Test Date: 2014-02-20 Report Date: 2014-05-12 CUSTOMER SOLUTIONS & PRODUCT DEVELOPMENT TEST REPORT Comparison of Energy Consumption of Induction Heat Cooker and LPG Stove Test Notes: This report is exclusive property of MERALCO. No part of this report may be quoted or reproduced without consent from MERALCO. Test Results presented here applies only to the sample tested and should in no way be considered as a certification of the performance of similar products I. TEST INFORMATION a. EQUIPMENT SPECIFICATIONS Parameters Wattage Rating (Watts, W) Voltage (Volts, V) Product Weight (kg) Dimension (cm) Parameters LPG Supplied Net Content (kg) Tare Weight (kg) Other Remarks Induction Heat Cooker 120 – 2000 220 – 240 2.3 28x34x5.9 LPG Stove Total Gaz 5.0 8.3 Automatic ignition, stainless body, cast iron burner head b. REFERENCE STANDARD/S Modified PNS1 96 Boiling Water Test Method 1 II. TEST OBJECTIVES This report aims to provide the comparative energy performance of an induction heat cooker and LPG cooking stove. III. TEST METHOD Samples were tested using the Boiling Water Test Method as shown in Figure 1. Philippine National Standards 1|Page MERALCO POWER LAB Test Date: 2014-02-20 Report Date: 2014-05-12 CUSTOMER SOLUTIONS & PRODUCT DEVELOPMENT Figure 1 IV. GENERAL TEST CONDITIONS a. Test Environment No specific environmental condition for the test. Ambient conditions are not controlled and are just noted for record purposes. b. Power Supply Power supplied on the measuring instrument and test units was regulated and maintained at 230 Volts AC ±2%. c. Measuring Instruments Electrical parameters (voltage, current, power) were measured using Power Quality Analyzer (PQA) LEM Memobox 300. Ambient temperature and water temperature were determined using thermocouple J/K. both thermocouple were connected into Tektronix DTM 920 digital thermometer. V. TEST RESULTS Parameters (a) Energy Consumption per hour (kilo-watt hour, kWh) (b) Efficiency (%) (c) Cost per hour (Php/hr) (d) Cost per day (PhP/day) (e) Cost per month (PhP/mo) (f) Savings per month (%) (g) Savings per month (PhP/mo) 2|Page Induction Heat Cooker 1.51 LPG Stove 86 16.56 16.56 463.81 58 645.04 36 39.60 39.60 1,108.85 - 3.61 MERALCO POWER LAB CUSTOMER SOLUTIONS & PRODUCT DEVELOPMENT Test Date: 2014-02-20 Report Date: 2014-05-12 Where: (a) Energy consumed by the equipment for a period of one (1) hour at high settings using boiling water test method. Energy consumed by induction heat cooker measured using power quality analyzer. Energy consumed by LPG Stove measured using LPG consumed (kg) converted into kWh by its energy equivalent 2 (b) Efficiency computed using formula = (Energy of boiling water/Energy consumed by the equipment) x 100% 3 (c) Cost per hour computed using the formula: Cost per hour = (a) x Electricity Rate 4 (d) Cost per day computed using the formula : Cost per day = (c.) x no. of hours/day 5 (e) Cost per month computed using the formula : Cost per month = (d) x frequency per week 6x 4 weeks (f) Percent Savings by using induction heat cooker instead of LPG Stove computed using the formula (%) = (Cost per month LPG – Cost per month induction heat) / Cost per month LPG x 100% (g) Savings per month by using induction heat cooker instead of LPG Stove, computed using the formula (Savings PhP/mo) = Cost per month LPG Stove – Cost per month induction heat cooker Test Conducted By: (Original Signed) Daryll V. Aberin Customer Solutions Associate Customer Solutions & Product Development, Meralco Power Lab Noted: (Original Signed) Alfredo O. Iporac Jr, REE Customer Solutions Manager Customer Solutions & Product Development Meralco Power Lab Converted based on heat equivalent of LPG by the manufacturer. In case there is none, standard conversion will apply heat equivalent of LPG = 46.1 Mega Joules /kg; 1 kWh = 3.6 Mega Joules 3 Energy Efficiency of LPG Stove = (Energy of boiling water/Energy from spent fuel (LPG)) x 100% where Energy of boiling water is thermodynamically determined thru universal known formula Energy (Q) =mC(T2-T1) mass of water x specific heat of water x change in temperature converted into kWh by 1 joule = 0.0000002778 kWh. Energy of spent fuel based on heat equivalent of LPG by the manufacturer. In case there is none, standard conversion will be applied Energy Efficiency of induction heat cooker = (Energy of boiling water/Energy consumption of the equipment) x 100% 4 Electricity Rate used is 2013 effective rate of P10.97/kWh 5 No. of hours/day = 1 hour (Based on Consumer Panel Research-Appliance Ownership and Usage) 6 Frequency per week = 7 days (Based on Consumer Panel Research-Appliance Ownership & Usage) 2 3|Page
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