Slide 1: Power electronic capacitors for low power (PEC LP MKP)
Power electronic capacitors for low power (PEC LP MKP) TDK Electronics AG Aluminum & Film Capacitors Business Group Munich, Germany November 2023
Slide 2: Aluminum & Film Capacitors Business Group at a glance
L2: Internal use only Aluminum & Film Capacitors Business Group at a glance Key data Portfolio Headquarters Munich, Germany Aluminum electrolytic capacitors ¬ Screw terminals Number of plants 8 ¬ Snap-in / Multi pin/ Large size ¬ Axial-lead / Soldering star Employees total 6600 ¬ Single-ended Manage
Slide 3: Our Aluminum & Film Capacitors Business Group has a global manufacturing presence
L2: Internal use only Our Aluminum & Film Capacitors Business Group has a global manufacturing presence Iceland Aluminum electrolytic capacitors Film capacitors Akureyri Both capacitor technologies HQ and R&D Including R&D Foil Germany Munich / Heidenheim Hungary China Szombathely Xiamen Zhuhai Indi
Slide 4: Plant in Zhuhai, China
L2: Internal use only Plant in Zhuhai, China Product range Aluminum & Film Capacitors BG Film capacitors ● DC capacitors ● Power capacitor chips for low power (PCC LP) ● Power electronic capacitors for low power (PEC LP MKP) ● Power factor correction (PFC) capacitors and key components for low volta
Slide 5: Plant in Gravataí, Brazil
L2: Internal use only Plant in Gravataí, Brazil Product range Aluminum & Film Capacitors BG ● Aluminum electrolytic capacitors ¬ Axial-lead / Soldering star ¬ Single-ended ¬ Screw terminals ¬ Snap-in / Multi pin ● Hybrid polymer aluminum electrolytic capacitors ¬ SMD 43,000 m2 Founded in 1954 Film c
Slide 6: PEC MKP capacitors portfolio
L2: Internal use only PEC MKP capacitors portfolio MKP AC / MKD AC MKP DC Defibrillator Input / Output filter DC link Defibrillator © TDK Electronics AG 2023 Power electronic capacitors for low power (PEC LP MKP) CAP FILM ES MKP 11/2023 6
Slide 7: Power capacitors for a wide range of applications
L2: Internal use only Power capacitors for a wide range of applications Solar Wind power Drives Traction UPS EV chargers Hydrogen inverters plants © TDK Electronics AG 2023 Power electronic capacitors for low power (PEC LP MKP) CAP FILM ES MKP 11/2023 7
Slide 8: Defibrillator capacitors for medical applications
L2: Internal use only Defibrillator capacitors for medical applications Features ● Capacitance range 30 to 200 µF, voltage up to 5 kV ● Cylindrical and oval design (plastic or metal case) ● Terminals cable design upon request (straight/flag fast-on & stripped) ● Temperatures up to 60 °C hotspot Seri
Slide 9: AC filter capacitors for industrial applications 1/2
L2: Internal use only AC filter capacitors for industrial applications 1/2 Q4/2023 Series Series Series B32361* & B32362* B3237X*E/F B3237*G Standard solution Improved resin filled design New gas filled design – robust ● 1-phase (portfolio extension) series for high requirements ● 20 to 600 µF ● 1 &
Slide 10: AC filter capacitors for industrial applications 2/2
L2: Internal use only AC filter capacitors for industrial applications 2/2 Features ● Capacitance range 20 to 600 µF, 250 to 480 VRMS ● IEC 61071-, GB/T17702- and UL 810- compliant ● Temperatures up to 85 °C hotspot ● Single-phase (1 Ph) capacitors Series Applications B32361* ● Capacitors for AC inp
Slide 11: MKD AC filter capacitors product range
L2: Internal use only MKD AC filter capacitors product range CR [µF] Rated AC Diameter Height tolerance Others VRMS [V] [mm] [mm] +/- 5% 600 5 50 64.5 B3237* series • Overpressure disconnector Single phase … … … … • Available with fast-on terminals, screw terminals 1000 600 136 245 (M6 and M10) and
Slide 12: DC-link filter capacitors for industrial applications
L2: Internal use only DC-link filter capacitors for industrial applications Features ● Capacitance range 40 4000 µF, 500 to 3000 V DC ● Low ESR <1 mΩ & low ESL <12 nH (B2563*E series, ultra low ESL design) ● Temperatures up to 105 °C hotspot ● IEC 61071, RoHS-compliant and UL 810-compliant Series Ap
Slide 13: MKP DC filter capacitors product range
L2: Internal use only MKP DC filter capacitors product range Rated DC VR DC [V] CR [µF] tol. +/- 10% Diameter [mm] Height HC [mm] Features B2562* series B2563* series 700 40 85 70 Standard B2562* series … … … … • DC link for renewable energies, 3000 4000 116 345 industrial drives and traction 500 50
Slide 14: Power capacitors in round can for DC applications
L2: Internal use only Power capacitors in round can for DC applications applications MKP DC MKP DC MKP DC MKP DC MKP DC MKP DC standard HF (EVO design) Metal top 4T HT 105 °C ULSI B2562/B2569 B2568 B25689 B25695 B2563*E 40 µF Ramping up Q42023 40 µF 80 µF 40 µF 20 µF 5500 µF Samples upon request 400
Slide 15: Available sizes
L2: Internal use only Available sizes ● 6 diameters available for all MKP DC ● D 85,100 and 116 mm are the high runners ● Big flexibility in height due to big range of film width ● 1, 2 or 3 windings inside depending on the the specification needed to be achieve ● Standard film widths 50 mm, 62.5 mm
Slide 16: Recommendations for EV charging
L2: Internal use only Recommendations for EV charging High-power density ● Trend to develop high-power density converters using SiC semiconductors ● Capacitors with high current capability, ultra low ESL and lower ESR at high frequencies are requested © TDK Electronics AG 2023 Power electronic cap
Slide 17: MKP DC ultra low inductance (ULSI) Series B2563*E
L2: Internal use only MKP DC ultra low inductance (ULSI) Series B2563*E ultra low ESL <13 nH Main applications ● DC fast charging ● Solar string inverters ● Induction heating ● Traction ● High-speed switching applications Product description ● Capacitance range 20 to 270 µF; V DC: 700 V to 2 KV ● ES
Slide 18: MKP DC ULSI HF ESR versus frequency
L2: Internal use only MKP DC ULSI HF ESR versus frequency B25632E1117K000 (110 µF, 1000 V DC) Typical switching frequency power module 1.00E-02 20 kHz to 40 kHz, so it is important to characterize the capacitor to low/stable ESR values until several 8.00E-03 hundreds kHz and consider all the harmoni
Slide 19: MKP DC metal top series B2568*
L2: Internal use only MKP DC metal top series B2568* Tightly sealed MKP DC series with metal top disk (B2568*) ● Range: 900 V to 3 kV, 50 µF to 4 mF ● Main DC link voltage for traction: 1 kV for 1.7 kV IGBTs and 2 kV for 3.3 kV IGBTs ● Target applications ¬ Traction inverters ¬ Commercial agricultur
Slide 20: MKP DC 4T metal top series B25689*
L2: Internal use only MKP DC 4T metal top series B25689* The tightly sealed DC capacitors with ultra low ESL Tightly sealed MKP DC series with 4 terminals (4T) for ESL <14 nH (B25689* series) ● Range: 900 V to 3 kV, 50 µF to 3 mF ● Main DC link voltage for traction: 1 kV for 1.7 kV IGBTs and 2 kV fo
Slide 21: MKP DC metal top series B2568* Modular approach comparison 2T vs 4T
L2: Internal use only MKP DC metal top series B2568* Modular approach comparison 2T vs 4T Typical values requested – diameter = 116 mm 1000 V DC 1800 V DC 2000 V DC (1.7 kV power (3.3 kV power (3.3 kV power ESL ESL Hc (mm) modules) modules) modules) 2 terminals 4 terminals 75 360 µF 100 µF 80 µF 32
Slide 22: MKP DC HF EVO: The DC link for the next generation power converters
L2: Internal use only MKP DC HF EVO: The DC link for the next generation power converters ● Lower ESL than standard MKP DC (around 20% lower) ● Lower ESR compared with standard MKP DC (around 5 to 10% lower) ● Overlapped busbars for homogeneous current distribution ● Internal resonances avoided ● To
Slide 23: MKP DC 105 °C series B25695*
L2: Internal use only MKP DC 105 °C series B25695* Improving the DC link performance ● Datasheet available in April 2024 ● Diameters 85, 116 mm; voltages from 900 V to 1.6 kV ● Lifetime will be specified for 95 °C and 105 °C HS ● Design-in upon request, samples available ● Epoxy resin instead of PU,
Slide 24: MKP DC 105°C series B25695* Series advantages
L2: Internal use only MKP DC 105°C series B25695* Series advantages ● Higher current capability (higher self-heating allowed) ● Higher ambient temperature possible (e.g. less cooling) ● Hot spot allowed till 105 °C (derating to be considered) ● Solution could be done more compact +105 °C -40 °C © TD
Slide 25: MKP-DC battery – CFD simulations Overview & boundary conditions
L2: Internal use only MKP-DC battery – CFD simulations Overview & boundary conditions ● We offer CFD simulations to customers ● Depending e.g. on distance between capacitors and velocity of air we can change self-heating of the capacitor General data ● P/N: B25620B0757K881 ● Capacitance: 6.75 mF ● V
Slide 26: MKP-DC battery – CFD simulations Forced convection
L2: Internal use only MKP-DC battery – CFD simulations Forced convection Top winding half-height cross section ? Specific boundary conditions Results (hotspot temperatures) ● Air velocity: 1.5 m/s ● First row: 85.2 °C ➔ -12.9 K ● Separation between capacitors: 10 mm ● Second row: 89 °C ➔ -18.4 K ● N
Slide 27: Recommendations for renewable energies Solar & wind applications
L2: Internal use only Recommendations for renewable energies Solar & wind applications Better efficiency ● Solar Since PV is strongly influenced by cost pressure then new inverters are forced to offer very high efficiency (97 to 98%) with longer maintenance periods. ● Application is demanding cost-o
Slide 28: Recommendations for traction applications
L2: Internal use only Recommendations for traction applications High power density ● In light train applications, the use of light and low volume converters is a must, so standardization of components (modular platforms) together compact designs is highly appreciated ● Becoming more popular the use
Slide 29: www.tdk-electronics.tdk.com
www.tdk-electronics.tdk.com