A20B-0007-0441,A20B-0007-0441A20B-0007-0441
A20B-0007-0441A20B-0007-0441
(1)大輸入電壓 是保證直流穩壓電源安全工作的大輸入電壓。 (2)大輸出電流 是保證穩壓器安全工作所允許的大輸出電流。
編輯本段并聯穩壓電源
經整流濾波后輸出的直流電壓,雖然平滑程度較好,但其穩定性仍比較差。其原因主要有以下幾個方面: 1.由于輸入電壓不穩定(通常交流電網允許有±10%的波動),而導致整流濾波電路輸出直流電壓不穩定 2.由于整流濾波電路存在內阻,當負載變化時,引起負載電流發生變化,使輸出直流電壓發生變化 3.由于電子元件(特別是導體器件)的參數與溫度有關,當環境溫度發生變化時,引起電路元件參數發生變化,導致輸出電壓發生變化 4.整流濾波后得到的直流電壓中仍然會有少量紋波成份,不能直接供給那些對電源質量要求較高的電路。 所以,經整流濾波后的直流電壓必須采取一定的穩壓措施才能適合電子設備的需要。常用的直流穩壓電路有并聯型和串聯型穩壓電路兩種類型。
、直流電源的工作原理
IUXPOWER系列高頻開關直流電源采用了全橋移相式脈寬調制軟開關控制技術,使得模塊效率進一步提高,諧波減小。高頻開關直流電源模塊采用三相三線380VAC平衡輸入,無相序要求,無中線電流損耗,在交流輸入端,采用先進的尖峰抑制器件及EMI濾波電路。高頻開關直流電源由全橋整流電路將三相交流電整流為直流,經無源功率因數校正(PFC)后,再由DC/DC高頻變換電路把所得的直流電逆變成穩定可控的直流電輸出。
make offer hp/agilent
85101c will consider
any offers
make offer hp/agilent
85102b will consider
any offers
make offer hp/agilent
8510b will consider
any offers
make offer hp/agilent
8510c will consider
any offers
make offer hp/agilent
8510e will consider
any offers
make offer hp/agilent
8511a will consider
any offers
make offer hp/agilent
8512a will consider
any offers
make offer hp/agilent
85131d will consider
any offers
make offer hp/agilent
85131e will consider
any offers
make offer hp/agilent
85131f will consider
any offers
make offer hp/agilent
85132e will consider
any offers
make offer hp/agilent
8513a will consider
any offers
make offer hp/agilent
8514a will consider
any offers
make offer hp/agilent
8514b will consider
any offers
make offer hp/agilent
8516a will consider
any offers
make offer hp/agilent
8517a will consider
any offers
make offer hp/agilent
8517b will consider
any offers