same ratios, but higher VA rating, how are they built differently?
L lasercut Member Joined 2017 2019-04-15 12:23 pm #1 2019-04-15 12:23 pm #1 same ratios, but higher VA rating, how are they built differently? ••• More options Share abraxalito Member Joined 2007 2019-04-15 12:40 pm #2 2019-04-15 12:40 pm #2 Higher cross-sectional area of the core. ••• More options Share Osvaldo de Banfield Member Joined 2011 2019-04-15 1:23 pm #3 2019-04-15 1:23 pm #3 The flux density in the core is about the same. To pass more power you need more cross sectional are in the iron core and in the copper. So they are bigger. Efficiency is usually higher in higher sizes. ••• More options Share D DF96 R.I.P. Joined 2007 myweb.tiscali.co.uk/g8hqp/ 2019-04-16 10:49 am #4 2019-04-16 10:49 am #4 Bigger also means it can dissipate more heat. ••• More options Share Osvaldo de Banfield Member Joined 2011 2019-04-16 1:28 pm #5 2019-04-16 1:28 pm #5 Yes, but heat is generated in a volume while heat is transferred trough a surface. Volume increases quickier than surface. ••• More options Share Kay Pirinha Member Joined 2011 2019-04-24 7:06 pm #6 2019-04-24 7:06 pm #6 Higher flux density with better laminations (GOSS) allows more power and lower internal impedances at the same size. Best regards! ••• More options Share Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link
abraxalito Member Joined 2007 2019-04-15 12:40 pm #2 2019-04-15 12:40 pm #2 Higher cross-sectional area of the core. ••• More options Share Osvaldo de Banfield Member Joined 2011 2019-04-15 1:23 pm #3 2019-04-15 1:23 pm #3 The flux density in the core is about the same. To pass more power you need more cross sectional are in the iron core and in the copper. So they are bigger. Efficiency is usually higher in higher sizes. ••• More options Share D DF96 R.I.P. Joined 2007 myweb.tiscali.co.uk/g8hqp/ 2019-04-16 10:49 am #4 2019-04-16 10:49 am #4 Bigger also means it can dissipate more heat. ••• More options Share Osvaldo de Banfield Member Joined 2011 2019-04-16 1:28 pm #5 2019-04-16 1:28 pm #5 Yes, but heat is generated in a volume while heat is transferred trough a surface. Volume increases quickier than surface. ••• More options Share Kay Pirinha Member Joined 2011 2019-04-24 7:06 pm #6 2019-04-24 7:06 pm #6 Higher flux density with better laminations (GOSS) allows more power and lower internal impedances at the same size. Best regards! ••• More options Share Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link
Osvaldo de Banfield Member Joined 2011 2019-04-15 1:23 pm #3 2019-04-15 1:23 pm #3 The flux density in the core is about the same. To pass more power you need more cross sectional are in the iron core and in the copper. So they are bigger. Efficiency is usually higher in higher sizes. ••• More options Share D DF96 R.I.P. Joined 2007 myweb.tiscali.co.uk/g8hqp/ 2019-04-16 10:49 am #4 2019-04-16 10:49 am #4 Bigger also means it can dissipate more heat. ••• More options Share Osvaldo de Banfield Member Joined 2011 2019-04-16 1:28 pm #5 2019-04-16 1:28 pm #5 Yes, but heat is generated in a volume while heat is transferred trough a surface. Volume increases quickier than surface. ••• More options Share Kay Pirinha Member Joined 2011 2019-04-24 7:06 pm #6 2019-04-24 7:06 pm #6 Higher flux density with better laminations (GOSS) allows more power and lower internal impedances at the same size. Best regards! ••• More options Share Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link
The flux density in the core is about the same. To pass more power you need more cross sectional are in the iron core and in the copper. So they are bigger. Efficiency is usually higher in higher sizes.
D DF96 R.I.P. Joined 2007 myweb.tiscali.co.uk/g8hqp/ 2019-04-16 10:49 am #4 2019-04-16 10:49 am #4 Bigger also means it can dissipate more heat. ••• More options Share Osvaldo de Banfield Member Joined 2011 2019-04-16 1:28 pm #5 2019-04-16 1:28 pm #5 Yes, but heat is generated in a volume while heat is transferred trough a surface. Volume increases quickier than surface. ••• More options Share Kay Pirinha Member Joined 2011 2019-04-24 7:06 pm #6 2019-04-24 7:06 pm #6 Higher flux density with better laminations (GOSS) allows more power and lower internal impedances at the same size. Best regards! ••• More options Share Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link
Osvaldo de Banfield Member Joined 2011 2019-04-16 1:28 pm #5 2019-04-16 1:28 pm #5 Yes, but heat is generated in a volume while heat is transferred trough a surface. Volume increases quickier than surface. ••• More options Share Kay Pirinha Member Joined 2011 2019-04-24 7:06 pm #6 2019-04-24 7:06 pm #6 Higher flux density with better laminations (GOSS) allows more power and lower internal impedances at the same size. Best regards! ••• More options Share Show hidden low quality content Status This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.
Yes, but heat is generated in a volume while heat is transferred trough a surface. Volume increases quickier than surface.
Kay Pirinha Member Joined 2011 2019-04-24 7:06 pm #6 2019-04-24 7:06 pm #6 Higher flux density with better laminations (GOSS) allows more power and lower internal impedances at the same size. Best regards! ••• More options Share
Higher flux density with better laminations (GOSS) allows more power and lower internal impedances at the same size. Best regards!
