85 85%環境下での 絶縁体内部電荷分布経時変化の …

1 85 C85% Email: Copper 2007 JPCA-ET01 2007 JPCA-ET01 Charge Q xField EForce F (PEA)

2 Pulsed ElectroAcoustic EB -6-4-202468101214050100150200250300posit ionCharge density[C/m3] EB -6-4-202468101214050100150200250300posit ionCharge density[C/m3] (5ns, 50-600 Vat 400 Hz) PEA C RH C RH 85 C85%RH PEA C C 85 C85%RH 1 10kV/mm 85 C85%RH C C A 85 C85% 30hr -120-100-80-60-40-2002040607080901001101 20positionCharge density[C/m3]10min10hr30hr C 85 C85% 30Hr -120-100-80-60-40-2002040607080901001101 20positionCharge density[C/m3]

3 10min10hr30hr B 85 C85% 30Hr -120-100-80-60-40-2002040607080901001101 20positionCharge density[C/m3]10min10hr30hr 10kV/mmanodecathodeanodeanodecathodecath ode C C A 85 C85% 30Hr -60000-50000-40000-30000-20000-100000100 00200006080100120positionCharge density[v/ ]10min10hr30hr B 85 C85% 30Hr -60000-50000-40000-30000-20000-100000100 00200006080100120positionCharge density[v/ ]10min10hr30hr C 85 C85% 30Hr -60000-50000-40000-30000-20000-100000100 00200006080100120positionCharge density[v/ ]10min10hr30hr 10kV/mmanodecathodeanodecathodeanodecath ode cathode C B A anode cathode , , , Vol.

4 7, No. 7, pp. 635-638, Nov. 2004 PEA 85 C85%RH PMMA PET 30 80 Q=CV( mm PS, 2 kV)with Dr K. Fukunaga, NICTEB EB PET EB EB -6-4-202468101214050100150200250300posit ionCharge density[C/m3] EB -6-4-202468101214050100150200250300posit ionCharge density[C/m3] EB -8000-6000-4000-200002000400060008000050 100150200250300positionElectric Field[V/ ] EB -1200-1000-800-600-400-20002000501001502 00250300positionelectric potential[V]

5 EB PET EB 2 8 BW1A -6-4-2024681012050100150200250300BW1A 1104BW1A 1106BW1A 1113 BW1A 2Kv -6-4-2024681012050100150200250300BW1A 1104BW1A 1106BW1A 1113 MeasurementconditionsThickness [mm] Voltage [kV]5 Electric Field [kV/mm] CLDPE Charg Distribution[C/m3]-100-80-60-40-20020406 0405060708090100110120B0minB1minB2minB3m inB4minB5minB6minB7minB8minB9min LDPE 5kV 1min LDPE Electric Field Distribution[V/mm]-100000-80000-60000-40 000-20000020000405060708090100110120B0mi nB1minB2minB3minB4minB5minB6minB7minB8mi nB9minPCB ( , ) PCB ( , ) 8 ply 5ply 85 C, 85 %RH 85 C, 85 %RH with Dr K.

6 Fukunaga, NICT Time 85 C, 85%RH Mini-PEA ( ) Mini-PEA ( ) 80 3D PEA ( )3D PEA ( )3 3