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| Type 947C High Capacitance, High Current, DC Link Capacitors Metallized Polypropylene Dielectric Type 947C series uses the most advanced metallized film technology for long life, high reliability in DC link applications. Their high-voltage and high-current ratings allow for replacement of series-parallel banks of aluminum electrolytic capacitors in high ripple current applications. Applications Inverters: >5kW Renewable Energy Inverters: Wind, Solar, Fuel Cell Aircraft Inverters: Power Supplies and Motor Drives Transportation: Electric Vehicles, Traction Industrial: Welders, Motor Drives, Elevators, and Overhead Cranes 160 F to 730 F 10% 800 Vdc, 1000 Vdc, 1200 Vdc -40 C to +85 C 60 A @ +55 C <230 Vac 150% rated DC voltage for 10 s 4 kVac @ 50/60 Hz for 1 min 5000 h @ +85 C, rated voltage Specifications Capacitance Range: Tolerance: Rated Voltage: Operating Temperature Range With Ripple: Maximum rms Current: Maximum rms Voltage: Test Voltage Between Terminals @ 25 C: Test Voltage Between Terminals and Case @ 25 C: Life Test: Complies with the EU Directive 2002/95/EC requirement restricting the use of Lead (Pb), Mercury (Hg), Cadmium (Cd), Hexavalent chromium (Cr(VI)), PolyBrominated Biphenyls (PBB) and PolyBrominated Diphenyl Ethers (PBDE). Ratings Rated Catalog Part Number 947C361K801CAMS 947C491K801CBMS 947C601K801CCMS 947C731K801CDMS 947C231K102CAMS 947C311K102CBMS 947C391K102CCMS 947C471K102CDMS 947C161K122CAMS 947C211K122CBMS 947C271K122CCMS 947C321K122CDMS Cap (F) 360 490 600 730 230 310 390 470 160 210 270 320 Voltage (Vdc) 800 800 800 800 1000 1000 1000 1000 1200 1200 1200 1200 D Dia. (mm) 92 92 92 92 92 92 92 92 92 92 92 92 H (mm) 97 120 145 170 97 120 145 170 97 120 145 170 A (mm ) 2 Rated Current Typical ESR T = 40 C (A) 72 70 68 68 67 63 62 60 62 57 56 56 @ 10 kHz (m) 1.3 1.6 2.0 2.3 1.5 2.0 2.4 2.9 1.8 2.4 2.9 3.4 Series Inductance (nH) 60 75 85 95 60 75 85 95 60 75 85 95 Thermal Resistance cc (C/W) 3.0 2.6 2.2 1.9 3.0 2.6 2.2 1.9 3.0 2.6 2.2 1.9 ca (C/W) 2.9 2.5 2.1 1.9 2.9 2.5 2.1 1.9 2.9 2.5 2.1 1.9 Mass (kg) 0.9 1.0 1.2 1.3 0.9 1.0 1.2 1.3 0.9 1.0 1.2 1.3 Height Case Area 40100 46700 53700 60800 40100 46700 53700 60800 40100 46700 53700 60800 1. Rated Current is for temperature rise of +40 C at 1-20 kHz. 2. cc is core-to-case thermal resistance at 0-10 kHz. For higher frequency see Expected Lifetime Predictions. 3. ca is case-to-ambient thermal resistance for still air. For moving air see Expected Lifetime Predictions. CDM Cornell Dubilier * 140 Technology Place * Liberty, SC 29657 * Phone: (864)843-2277 * Fax: (864)843-3800 * www.cde.com Type 947C High Capacitance, High Current, DC Link Capacitors Outline Drawings M5 Threaded Insert Terminals 3.622" (92.0mm) Max. M8 Threaded Stud Terminals 3.622" (92.0mm) Max. Max. Torque 2.5 Nm (22 in x lb) M5 x 4.0mm Min. 2X O 0.687" (17.5mm) 0.236" 0.039" (6.0mm 1.0mm) 1.772" 0.039" (45.0mm 1.0mm) Max. Torque 8.5 Nm (75 in x lb) 2X O 0.813" (20.7mm) 1.772" 0.039" (45.0mm 1.0mm) M8 x 1.25 THD Studs 0.236" 0.039" (6.0mm 1.0mm) CORNELL DUBILIER CORNELL DUBILIER 0.787" 0.039" (20.0mm 1.0mm) H 0.079" (H 2.0mm) H 0.079" (H 2.0mm) 0.630" 0.039" (16.0mm 1.0mm) 0.630" 0.039" (16.0mm 1.0mm) M12 x 1.75 THD M12 x 1.75 THD Optional Mounting Stud Optional Mounting Stud Part Numbering System 947C Type 947C 361 Capacitance 361 = 360 F 731 = 730 F K Tolerance K = 10 % 801 Voltage 102 = 1000 Vdc 122 = 1200 Vdc C Diameter D A Height H A = 97 mm B = 120 mm C = 145 mm D = 170 mm M Terminal I = M5 Insert Threaded M = M8 Stud Threaded S Mounting blank = no stud S = M12 Stud Threaded 801 = 800 Vdc C = 92 mm CDM Cornell Dubilier * 140 Technology Place * Liberty, SC 29657 * Phone: (864)843-2277 * Fax: (864)843-3800 * www.cde.com Type 947C High Capacitance, High Current, DC Link Capacitors Expected Lifetime Predictions To use the Expected Lifetime curves calculate Va Vr and core temperature T. Start by estimating: Applied dc voltage Va Ripple Current I Ripple Frequency f Ambient Temperature Ta Airflow speed v Units: A=m T, Ta & Tc=C C=F , ca & cc =C/W ESR=m v=m/s f=kHz Va &Vr=Vdc I=A NOTE: The temperature rise in the 947C is I(ESR) times the thermal resistance . The ESR is mainly the metal resistance; the metal resistance is the 10 kHz ESR. For operation below 10 kHz add the dielectric resistance. It is the dielectric dissipation factor--no more than 0.0002--times the capacitive reactance, i.e., 0.0002 (2fC). That's equal to 31.83 (fC). 1. Start with the 10 kHz ESR from the Ratings table. If frequency is less than 10 kHz, add 31.83 (fC). 2. Compute total thermal resistance as the sum of core-to-case thermal resistance cc and case-to-ambient thermal resistance ca. Both are in the Ratings table but ca is for still air and cc is for 10 kHz or less. For frequency > 10 kHz multiply cc by [1+(f -10)/100], e.g., for 75 kHz multiply cc by 1.65. For moving air use the capacitor surface area A and airflow speed v to calculate ca = 1 [A(5+17(v+0.1)0.66)]. 3. Compute Va Vr and the core temperature T. T = Ta + I(ESR) 4. Look up estimated lifetime from the Expected Lifetime curves. 5. If you want a longer expected lifetime, choose a capacitor with higher voltage rating or consider using multiple capacitors in parallel to share the ripple current. Permissible Voltage Surge Duty for 100,000 Hour Life Expectancy at 50 C Core Temperature Factor 1.67x 1.50x 1.30x 1.10x 1.00x Duration t 100 ms t 5 minutes t 2.5 hours t 9.6 hours balance (11.9 h) Frequency 1x/day 1x/day 1x/day 1x/day 1x/day CDM Cornell Dubilier * 140 Technology Place * Liberty, SC 29657 * Phone: (864)843-2277 * Fax: (864)843-3800 * www.cde.com Type 947C High Capacitance, High Current, DC Link Capacitors Typical Performance Curves 490 F 800 V ESR vs Frequency and Temperature 2.5 80 70 85 C 490 F 800 V Rated Ripple Current, Still Air, 5 kh Life 45 C 55 C 65 C 75 C 85 C 2.0 ESR (m) 65 C 45 C 25 C Rated Ripple Current (A) 60 50 40 30 20 10 1.5 0 C -20 C -40 C 1.0 100 1000 Frequency (Hz) 10000 100000 0 10 100 1000 Frequency (Hz) 10000 100000 230 F 1000 V ESR vs Frequency and Temperature 3.0 80 70 230 F 1000 V Rated Ripple Current, Still Air, 5kh Life 45 C 55 C 65 C 75 C Rated Ripple Current (A) 2.5 ESR (m) 60 50 40 30 20 10 0 2.0 85 C 65 C 45 C 25 C 1.5 85 C 0 C -20 C -40 C 1.0 100 1000 Frequency (Hz) 10000 100000 10 100 1000 Frequency (Hz) 10000 100000 160 F 1200 V ESR vs Frequency and Temperature 4.0 3.5 Rated Ripple Current (A) 80 70 60 50 40 30 20 10 0 10 160 F 1200 V Rated Ripple Current, Still Air, 5kh Life 45 C 55 C 65 C 75 C 85 C 3.0 ESR (m) 2.5 2.0 1.5 1.0 100 85 C 65 C 45 C 25 C 0 C -20 C -40 C 1000 Frequency (Hz) 10000 100000 100 1000 Frequency (Hz) 10000 100000 CDM Cornell Dubilier * 140 Technology Place * Liberty, SC 29657 * Phone: (864)843-2277 * Fax: (864)843-3800 * www.cde.com |
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