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Power Electronics capacitor version 2020

Power Electronics capacitor version 2020
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Power Electronics capacitor version 2020

Product catalog summary
About Sheng Ye: Sheng Ye Electrical Co., Ltd, founded in 1996, is an ISO9001 certified company specializing in the research, development, manufacture, sales, and service of film capacitors and other electrical components. The company operates a large factory with over 800 employees and holds more than 40 patents and international certifications. Sheng Ye's products are sold globally, with strategic partnerships with major companies like GE and Whirlpool.
Product Overview: Sheng Ye offers a variety of capacitors for different applications, including AC motor capacitors, power quality management components, and power electronics capacitors. These include DC-link capacitors, heavy-duty AC filter capacitors, impulse capacitors, and snubber capacitors, used in applications such as PV inverters, wind-power converters, and UPS systems.
Capacitor Specifications: The document details specifications for various capacitors, including DC-link capacitors (DCL series), snubber capacitors (SNUT series), and heavy-duty AC filter capacitors (FFC series). Key parameters include rated voltage, capacitance, operating temperature, and life expectancy. The capacitors meet IEC61071-2007 standards and offer features like high reliability, low self-inductance, and high current ratings.
Terms and Definitions: Key terms related to capacitor performance are defined, such as rated capacitance, rated voltage, surge voltage, ripple voltage, and insulation voltage. Parameters like maximum current, surge current, peak current, and equivalent series resistance (ESR) are also explained.
Mounting and Cooling Recommendations: Proper installation and cooling are crucial for capacitor longevity. Oil type MKP capacitors should be installed upright, while dry type MKP capacitors can be installed in any position. Capacitors should be shielded from excessive heat to prevent reduced service life.
Order Code and Part Numbering: Sheng Ye's capacitors are identified by a 19-digit part number that includes information about the capacitor type, manufacturer, rated voltage, and capacitance.
General Specifications and Customization: The document includes tables with general specifications for various capacitor models, highlighting parameters like capacitance, voltage, ESR, and thermal resistance. Customized products are available upon request.
DC-Link Capacitors:
  • Features: High Irms rating, PPS plastic case, bus-bar connection, high reliability, non-polar.
  • Applications: Electric buses, logistics vehicles, and electric vehicles.
  • Specifications: Rated capacitance ranges from 100μF to 10000μF, voltage from 450Vdc to 1200Vdc, with a tolerance of ±10% (standard) or ±5% (upon request).
  • Construction: Dry, filled with epoxy resin, non-inductive, with reference standards IEC61071-2007, UL94V-0, GB/T17702-2013.
Impulse Capacitors:
  • Features: Withstand high reversal voltage, high Ipeak, high recharge speed, high reliability.
  • Applications: Capacitor discharge welding machines, impulse generators, magnetizers, laser power supplies, medical equipment.
  • Specifications: Rated capacitance from 500μF to 2000μF, voltage from 500VDC to 2500VDC, with a tolerance of ±10% (standard) or ±5% (upon request).
  • Construction: Filled with inert gas or silicon oil, non-inductive, over-pressure, with reference standards JB/T8168-1999.
Heavy-duty AC Filter Capacitors:
  • Features: Withstand high Irms, high frequency up to 20kHz, high reliability.
  • Applications: Used in frequency converters, wind power converters, PV inverters, UPS systems.
  • Specifications: Rated capacitance from 50μF to 600μF, voltage from 250VAC to 1000VAC, with a tolerance of ±10% (standard) or ±5% (upon request).
  • Construction: Filled with inert gas/silicon oil, non-inductive, over-pressure, with reference standards IEC61071-2007, UL810, GB/T 17702-2013.
General Notes: Customized products are available upon request for all capacitor types. The document includes detailed tables with specific product codes, dimensions, and electrical characteristics for each capacitor type.
Specifications: Capacitors are rated between 250VAC to 400VAC with a capacitance range of up to 60μF. They have a tolerance of ±10% as standard, with an option for ±5%. The dielectric is metalized polypropylene, and the dissipation factor is tanδ≤0.001 at 100Hz and 25℃. The insulation resistor is ≥5000s after 1 minute of electrification at 100Vdc. Operating temperatures range from -40℃ to +85℃, with a life expectancy of 100,000 hours at specified conditions.
Construction and Standards: The capacitors are dry type, housed in a resistant plastic case with resin sealing, non-inductive, and flame retardant according to UL94-VO. They feature tinned copper pins and comply with IEC61071 and UL94V-0 standards.
Permitted Overvoltage: Capacitors can handle overvoltages of 1.1Urms for 30% of their service life, 1.15Urms for 30 minutes per day, 1.2Urms for 5 minutes per day, 1.3Urms for 1 minute per day, and 1.5Urms for 100ms up to 1000 times.
Applications: These capacitors are suitable for AC-filtering in frequency converters, off-grid PV inverters, and UPS systems.
Snubber Capacitors: Rated for 700VDC to 3000VDC with capacitance from 0.047μF to 10μF. They have a dissipation factor of tanδ≤0.0005 at 1000Hz and 25℃, and an insulation resistor of 30,000s. Operating temperatures range from -40℃ to +105℃, with a life expectancy of 100,000 hours.
General Purpose Capacitors: Rated for 800VDC to 1000VDC with capacitance from 5μF to 100μF. They have a dissipation factor of tanδ≤0.0006 at 1000Hz and 25℃, and an insulation resistor of ≥5000s for capacitance over 0.33μF. Operating temperatures range from -40℃ to +85℃.
Example of Capacitor Selection: For a 500KW PV inverter, a DC-Link capacitor with a rated voltage of 1100V is recommended. The minimum required capacitance is calculated to be approximately 6290μF, and the selection process involves reviewing the DCL series table to meet current and capacitance requirements.
Capacitor Temperature Rise Calculation: For a set of 22 DCL capacitors (model DCLSY1100-420), each capacitor must handle an Irms of 36.4A. Using the DCL series table, the Equivalent Series Resistance (ESR) is 2.05 mΩ at 10kHz, and the thermal resistance (Rth) is 3.9℃/W. The temperature rise (ΔT) is calculated as follows: ΔT = I2 * ESR * Rth = 36.42 * 2.05 * 10-3 * 3.9 = 10.6℃.
Maximum Operating Ambient Temperature: Assuming a capacitor life expectancy of 100,000 hours and a maximum hotspot temperature of 70℃, the maximum ambient temperature (Tmax) is calculated as: Tmax = Ths - ΔT = 70 - 10.6 ≈ 60℃.
AC Filter Capacitor Selection: For AC filter capacitors, the FFC1 or FFC3 series is recommended. Using the FFC3 series as an example, the selection process includes:
  • Selecting a rated RMS voltage equal to or greater than the maximum operating RMS voltage. For example, a rated voltage of 400Vrms is chosen.
  • Calculating the maximum RMS current, which depends on the system's output current, load, and LC loop design. An example value of 50A is used.
  • Determining total capacitance based on LC loop design, with an example of 3*200μF.
  • Selecting an appropriate model from the data sheet, such as FFC3SY400-200, with specifications φ136*240mm and Imax=58A.
Hotspot Temperature Rise for FFC3 Capacitor: For the FFC3SY400-200 model, the ESR is 3*0.45 mΩ, and Rth is 2.86℃/W. The temperature rise (ΔT) is calculated as: ΔT = I2 * ESR * Rth = 502 * 3 * 0.45 * 10-3 * 2.86 = 9.65℃.
Permitted Maximum Operating Ambient Temperature: With a life expectancy of 100,000 hours and a maximum hotspot temperature of 70℃, the maximum ambient temperature is: Tmax = Ths - ΔT = 70 - 9.65 ≈ 60℃.
RMS Calculation for Various Waveforms: The document provides formulas for calculating RMS values for different waveform types, which are essential for accurate electrical measurements.
Order Guide: When ordering capacitors, provide details such as application, capacitance, voltage, current, frequency, operating environment, product dimensions, terminal type and dimensions, and installation method.
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Catalog excerpts

Power Electronics capacitor version 2020-1

CAPACITORS FOR POWER ELECTRONICS

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Power Electronics capacitor version 2020-2

ABOUT SHENG YE CONTENTS ABOUT US GENERAL INFORMATION Capacitors Selection Guide Terms Definitions Expected Service Life Part NO. ILLUSTRATION Specification Illustration Part NO. Illustration DATA SHEETS DCL DC-Link Capacitor (Aluminum case) DCLJ1 DC-Link Capacitor (Cooling fin case) DCLJ2 DC-Link Capacitor (Stainless steel case) DCLJC DC-Link Capacitor (Custom design) DCLT4 DC-Link Capacitor (for PCB) DCLT5 DC-Link Capacitor (Plastic case 105°C) EST Impulse Capacitor FFC1 AC filter Capacitor (Single phase) FFC3 AC filter Capacitor (Three phase) FFCT4 AC filter Capacitor (for PCB) SNUT1 IGBT Snubber...

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Power Electronics capacitor version 2020-3

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Power Electronics capacitor version 2020-4

Custom design is available.

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Power Electronics capacitor version 2020-5

TERMS DEFINITION The terms in this catalog are mainly based on IEC61071-2007, however some deviations may occur. Cn-Rated capacitance: Capacitance value rated at 20℃/50Hz. UN-Rated a.c. Voltage: Maximum operating peak recurrent voltage of either polarity of a reversing type waveform for which the capacitor has been designed. UNDC-Rated d.c. Voltage: Maximum operating peak voltage of either polarity but of a non-reversing type waveform, for which the capacitor has been designed, for continuous operation. Us-Non-recurrent surge voltage: Peak voltage induced by a switching or any other disturbance...

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Power Electronics capacitor version 2020-6

Imax-Maximum current Maximum r.m.s. current for continuous operation. Is - Maximum surge current: Peak non-repetitive current induced by switching or any tions shorter than the basic period. Ipeak -Maximum peak current: Maximum repetitive peak current that can occur during continuous operation. Ipeak Cn*dv/dt dv/dt- Rate of voltage rise Max. rate of voltage rise in continuous operation. ESR-Equivalent series resistance of a capacitor Effective resistance which, if con- nected in series with an ideal capacitor of capacitance value equal to that of the capacitor in question, would have a power...

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Power Electronics capacitor version 2020-7

MOUNTING POSITION Oil type MKP capacitor shall be installed upright with terminals facing upwards. If different mounting position is required, please consult our technical department. Dry type MKP capacitor can be installed in any position. MOUNTING LOCATION/COOLING The useful life of a capacitor maybe reduced dramatically if exposed to excessive heat. Typically an increase in the ambient temperature of 8-10 will halve the expected life of the capacitor. To avoid overheating the capacitors must be allowed to cool unhindered and should be shielded from external heat sources. Do not place the capacitors...

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Power Electronics capacitor version 2020-8

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Power Electronics capacitor version 2020-9

Highlight Features -High Irms rating -High Ipeak rating -Low self-inductance -High reliability and life expectancy -Non-polar Applications -DC-linking and DC-filtering in frequency converter -DC-linking in wind power converter -DC-Linking in PV inverter -DC-filtering in UPS -Alternating aluminum electrolytic capacitors (lower capacitance, higher current) Rated Capacitance

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Power Electronics capacitor version 2020-11

General specification table www.shengye.com Note: Customized products are available upon request.

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Power Electronics capacitor version 2020-12

General specification table Note: Customized products are available upon request.

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Power Electronics capacitor version 2020-13

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Power Electronics capacitor version 2020-14

Earth stud General specification table Specification Note: Customized products are available upon request.

 Open the catalog to page 14
Power Electronics capacitor version 2020-15

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Power Electronics capacitor version 2020-16

Note: Customized products are available upon request.

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Power Electronics capacitor version 2020-17

Highlight Features -High Irms rating -High Ipeak rating -Low self-inductance -High reliability and life expectancy -Non-polar Applications -DC-linking and DC-filtering in frequency converter -DC-Linking in PV inverter -DC-filtering in UPS Rated Capacitance

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Power Electronics capacitor version 2020-18

Part Number Note: Customized products are available upon request.

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Power Electronics capacitor version 2020-19

Highlight Features -High Irms rating -High Ipeak rating -Low self-inductance -High reliability and life expectancy -Non-polar Applications - Electric Vehicle or Hybrid Electric Vehicle - Welding machine - Induction heating equipment - Motor Driver system

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.