Vaidlustus

Groundbreaking © Dynell GmbH Airport Technology Efficiency Measurements Solid-state frequency converters dynell.at Company Dynell © Dynell GmbH Company details © Dynell GmbH Dynell Mission Statement: Innovation leader for 400Hz ground power supply systems No. of employees: 72 (avg. 13 yrs of exerience in aviation), R&D ~ 14 people Production capacity: 1600 m² to be nearly tripled 2 thermo controlled test bays Innovation award holder of Interairport 2021 Expansion started beginning of 2024 Product overview & © Dynell GmbH Static frequency converter (FEGP‘s) © Dynell GmbH Product family © Dynell GmbH Products for Aviation Efficiency © Dynell GmbH Measurements Efficiency measurements © Dynell GmbH Efficiency measurements with 6-channel power meter Outstanding efficiency even in low load range DSF90 98,00% 96,00% 94,00% 92,00% Efficiency 90,00% 88,00% 86,00% 84,00% 0,0kW 10,0kW 20,0kW 30,0kW 40,0kW 50,0kW 60,0kW 70,0kW 80,0kW 90,0kW 100,0kW Output power  7,0kW Comparison losses Efficiency measurements 6,0kW © Dynell GmbH Dynell 5,0kW Comparison with other units: Competitor Mitbewerb 1 2 4,0kW Competitor Mitbewerb 2 1 Losses 3,0kW Comparison efficiency 2,0kW 98,00% 1,0kW 96,00% 0,0kW 0,0kW 22,5kW 45,0kW 67,5kW 90,0kW Output power 94,00% 3,0kW Energy savings 92,00% 2,5kW Competitor 2 Efficiency Mitbewerb 1 - Dynell Savings vs. Competitor 1 & 2 Competitor Mitbewerb 1 2 - Dynell 2,0kW 90,00% 1,5kW 88,00% Dynell Competitor Mitbewerb 1 2 1,0kW 86,00% Competitor Mitbewerb 2 1 0,5kW 84,00% 0,0kW 10,0kW 20,0kW 30,0kW 40,0kW 50,0kW 60,0kW 70,0kW 80,0kW 90,0kW 0,0kW 0,0kW 22,5kW 45,0kW 90,0kW Output power Output power Cost Comparison Efficiency © Dynell GmbH Cost comparison efficiency Dynell solid-state vs. market leader Cost savings per year with Dynell solid-state converter 438,-- €/year Assumption: Solid-state System Dynell Solid-state System market leader Efficiency @90kW 96.2% 94% Efficiency in low load @ 25kVA 94.8% 90% Typical average efficiency (TA) 94,94% ~90,4% (~mostly 20-30kVA load – appr. 90%) Avg. Load (Al) per day 30 kW 30 kW Cost per kWh (C)* 0,147 €/kWh 0,147 €/kWh Running hours (h) per year 6 h * 365days = 2.190 h 6 h * 365days = 2.190 h Formula: Costs = Difference in efficiency (TA) * avg. load (Al) * Costs per kWh (C) * running hours (h) Difference Costs = (0,9494-0,904) * 30 * 0,147 * 2.190 = 438,-- €/year *https://de.globalpetrolprices.com/electricity_prices/Estonian-Reference Cost Comparison No load © Dynell GmbH Cost comparison no load loss Dynell solid-state vs. market leader Cost savings per year for one solid-state converter 279,-- €/year Assumption: Solid-state System Dynell Solid-state System market leader Standby losses <40W 65W No load losses (NLL) <1,2 kW 2,2 kW Avg. time no load loss per day 4 h * 365days = 1.460 h 4 h * 365days = 1.460 h (usually between turnarounds of aircraft when plug connected and running idle) – (AT) Cost per kWh (C)* 0,147 €/kWh 0,147 €/kWh Formula: Costs = Difference in no load losses (NLL) * avg. time (AT) * Costs per kWh (C) Difference Costs = (2,2-0,9) * 1.460 * 0,147 = 279€/year Potential operation costs savings © Dynell GmbH Solid-state System Dynell Operation costs savings € 438 x 8 units x 10 years = € 35.040,00 No load losses costs savings € 279 x 8 units x 10 years = € 22.320,00 Total cost savings 10 years € 57.360,00 CO2 Comparison Efficiency © Dynell GmbH CO2 comparison efficiency Dynell solid-state vs. market leader CO2 savings per year with Dynell solid-state converter approx. 1,495 t / per year Assumption: Solid-state System Dynell Solid-state System market leader Efficiency @90kW 96.2% 94% Efficiency in low load @ 25kVA 94.8% 90% Typical average efficiency (TA) 94,94% ~90,4% (~mostly 20-30kVA load – appr. 90%) Avg. Load (Al) per day 30 kW 30 kW CO2 pollution per kWh (g/kWh)* 366 g/kWh 366 g/kWh Running hours (h) per year 3000 h 3000 h Formula: Difference in efficiency (TA) * avg. load (Al) * CO2 pollution per kWh (g/kWh)* running hours (h) Difference CO2 pollution = (0,9494-0,904) * 30 * 366 * 3.000 = ~1,495 t/year * https://de.statista.com/statistik/daten/studie/38897/umfrage/co2-emissionsfaktor-fuer-den- strommix-in-deutschland-seit-1990/ Groundbreaking ideas © Dynell GmbH require passion to industry and in depth market know-how.