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Corona-free Ceramic Coupling Capacitors for Medium-Voltage PDA's

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Product Name Corona-free Ceramic Coupling Capacitors for Medium-Voltage PDA's

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Corona-free Ceramic Coupling Capacitors for Medium-Voltage PDA's


I. Summary: 
This series of products is designed by the principle of capacitor partial voltage, which is used for collecting and measuring high voltage signals. Product precision is high, suitable for use in -40~+85. I kinds of electronic ceramic materials are used, which can work normally in high frequency environment. The product design is exquisite, its miniaturized design is suitable for various space installation. 

II. Electrical parameters: 
Rated withstand high voltage :10/20/35 KVAC; 
Impulse voltage: 80/120/210 KV;
Rated Low Voltage Signal (or self- determined)6.5/3V; 

III. Electrical schematic: 
The product is designed by the principle of capacitor partial voltage, the primary capacitor is high voltage ceramic capacitor, which is used to collect voltage signal; the secondary capacitor is low voltage ceramic capacitor, and the secondary large capacity capacitor is used to divide voltage to obtain a small voltage signal.

   

IV. Usage: 
High voltage end Vin is connected with the measured signal, low voltage end is the shielding line, the red line of the shielding line is the low voltage signal, and the black line is the ground wire. The two low voltage lines are connected with the acquisition system for data analysis and processing.

V. Data analysis: 
The voltage divider for this design uses a variable ratio of 2664, or 2664 times the recorded low voltage data, which is the actual data on the high voltage side. 



Selection and comparison of high voltage side capacitors:

 Material Code Nominal Capacity Rated Voltage Tolerance Voltage Impulse Voltage Diameter (mm) Thickness (mm) Height (mm)
 MZC2A22R80P 2 PF 10KVAC 42KVAC 80KV 35 14 36
 MZC8C22R80P 2 PF 20KVAC 85KVAC140KV 22 36 58
 MZC1D22R80P 2 PF 30KVAC 115KVAC210KV 22 42 64


Note: 
1, the above is for reference only, subject to the physical object, special requirements can be customized through negotiation; 
2, the low voltage side capacitor according to the user's actual design variable ratio equipment, or by the user's own;

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