可程式交換式電源供應器PSW系列
PSW-系列的C.V/C.C優(yōu)先選擇模式能夠很好的保護待測物。當輸出開(kāi)啟時(shí)，傳統電源通常處于C.V模式，這會(huì )瞬間給電容性負載或強電流負載帶來(lái)一個(gè)較大的浪涌電流。以L(fǎng)ED的I-V曲線(xiàn)驗證為例，使用傳統電源就難以完成測量工作。C.V模式下連接LED與電源，打開(kāi)輸出，當電壓超過(guò)LED正向電壓時(shí)，電流突然增大并超過(guò)預設限流值。由于偵測到浪涌電流，電源由C.V模式轉換為C.C模式。雖然模式轉換后電流逐漸穩定，但C.V和C.C相交處的尖峰電流可能會(huì )造成待測物損壞。然而，PSW-系列在輸出開(kāi)啟瞬間，能優(yōu)先運行在C.C模式，避免突發(fā)的尖峰電流，保護器件免遭浪涌電流損壞。
PSW-系列設計了可調斜率功能，用戶(hù)可以設置輸出電壓或輸出電流的上升時(shí)間(由低電平變?yōu)楦唠娖?和下降時(shí)間(由高電平變?yōu)榈碗娖?。當電壓或電流準位變化時(shí)，可調斜率有利于待測物的特性驗證。通常情況下，生產(chǎn)測試照明裝置和大型電容時(shí)會(huì )在輸出打開(kāi)瞬間引發(fā)浪涌電流，這嚴重縮短了DUT壽命。為了避免浪涌電流破壞強電流器件，在開(kāi)關(guān)瞬間光滑和緩慢的電壓傳輸可以顯著(zhù)減少浪涌電流，保護器件免遭大電流損壞。
PSW-系列提供OVP和OCP保護，保護電平默認為額定輸出電壓/電流的110%。一旦超過(guò)預設值，輸出立刻關(guān)閉。PSW-系列標配USB Host/Device、LAN接口和GPIB-USB及RS232-USB選配接口，所有接口均支持LabView驅動(dòng)和數據記錄PC軟件。后面板的模擬控制/監控接口，可以外部控制電源開(kāi)/關(guān)和外部監控輸出電壓和電流。
| PSW 30-36 | PSW 30-72 | PSW 30-108 | PSW 80-13.5 | PSW 80-27 | PSW 80-40.5 | | 額定輸出 | | 電壓 | 0~30V | 0~30V | 0~30V | 0~80V | 0~80V | 0~80V | | 電流 | 0~36A | 0~72A | 0~108A | 0~13.5A | 0~27A | 0~40.5A | | 功率 | 360W | 720W | 1080W | 360W | 720W | 1080W | | 調節率(CV) | | 負載 | 20mV | 20mV | 20mV | 45mV | 45mV | 45mV | | 電壓 | 18mV | 18mV | 18mV | 43mV | 43mV | 43mV | | 調節率(CC) | | 負載 | 41mA | 77mA | 113mA | 18.5mA | 32mA | 45.5mA | | 電壓 | 41mA | 77mA | 113mA | 18.5mA | 32mA | 45.5mA | | 漣波&噪聲(噪聲帶寬20MHz；漣波帶寬1MHz) | | CV p-p | 60mV | 80mV | 100mV | 60mV | 80mV | 100mV | | CV rms | 7mV | 11mV | 14mV | 7mV | 11mV | 14mV | | CC rms | 72mA | 144mA | 216mA | 27mA | 54mA | 81mA | | 編程精確度 | | 電壓 | 0.1% +10mV | 0.1% +10mV | 0.1% +10mV | 0.1% +10mV | 0.1% +10mV | 0.1% +10mV | | 電流 | 0.1% +30mA | 0.1% +60mA | 0.1% +100mA | 0.1% +10mA | 0.1% +30mA | 0.1% +40mA | | 測量精確度 | | 電壓 | 0.1% +10mV | 0.1% +10mV | 0.1% +10mV | 0.1% +10mV | 0.1% +10mV | 0.1% +10mV | | 電流 | 0.1% +30mA | 0.1% +60mA | 0.1% +100mA | 0.1% +10mA | 0.1% +30mA | 0.1% +40mA | | 響應時(shí)間 | | 上升時(shí)間 | 50ms | 50ms | 50ms | 50ms | 50ms | 50ms | | 下降時(shí)間(滿(mǎn)載) | 50ms | 50ms | 50ms | 50ms | 50ms | 50ms | | 下降時(shí)間(空載) | 500ms | 500ms | 500ms | 500ms | 500ms | 500ms | | 負載瞬間恢復時(shí)間(負載改變50~100%) | 1ms | 1ms | 1ms | 1ms | 1ms | 1ms | | 編程分辨率(PC遠程控制模式) | | 電壓 | 1mV | 1mV | 1mV | 2mV | 2mV | 2mV | | 電流 | 1mA | 2mA | 3mA | 1mA | 2mA | 3mA | | 測量分辨率(PC遠程控制模式) | | 電壓 | 1mV | 1mV | 1mV | 2mV | 2mV | 2mV | | 電流 | 1mA | 2mA | 3mA | 1mA | 2mA | 3mA | | 串聯(lián)和并聯(lián)能力 | | 并聯(lián) | 含主機zui多并聯(lián)3臺 | | 串聯(lián) | 含主機zui多串聯(lián)2臺 | | 保護功能 | | OVP | 3~33V | 3~33V | 3~33V | 8~88V | 8~88V | 8~88V | | OCP | 3.6~39.6A | 5~79.2A | 5~118.8A | 1.35~14.85A | 2.7~29.7A | 4.05~44.55A | | OHP | 由升高的內部溫度決定 | | 前面板顯示精度(4位) | | 電壓 | 0.1% ± 20mV | 0.1% ± 20mV | 0.1% ± 20mV | 0.1% ± 20mV | 0.1% ± 20mV | 0.1% ± 20mV | | 電流 | 0.1% ± 40mA | 0.1% ± 70mA | 0.1% ± 100mA | 0.1% ± 20mA | 0.1% ± 40mA | 0.1% ± 50mA | | 環(huán)境條件 | | 操作溫度 | 0℃~50℃ | | 存放溫度 | -25℃~70℃ | | 操作濕度 | 20% ~ 85%RH；無(wú)凝結 | | 存放濕度 | 小于90%RH；無(wú)凝結 | | 回讀溫度系數(熱機30分鐘) | | 電壓 | 額定輸出電壓的100ppm/℃ | | 電流 | 額定輸出電流的200ppm/℃ | | 其它 | | 模擬控制 | 有 | | 接口 | USB/LAN/GPIB(選配)/RS232(選配) | | 風(fēng)扇 | 熱感控制 | | 電源 | 85VAC~265VAC，50/60Hz，單相 | | 尺寸&重量 | 71(W)×124(H)×350(D)mm；約3kg | 142(W)×124(H)×350(D)mm；約5.3kg | 214(W)×124(H)×350(D)mm；約7.5kg | 71(W)×124(H)×350(D)mm；約3kg | 142(W)×124(H)×350(D)mm；約5.3kg | 214(W)×124(H)×350(D)mm；約7.5kg |
| | PSW 160-7.2 | PSW 160-14.4 | PSW 160-21.6 | PSW 250-4.5 | PSW 250-9 | PSW 250-13.5 | PSW 800-1.44 | PSW 800-2.88 | PSW 800-4.32 | | 額定輸出 | | | | | | | | | | | 電壓 | 0~160V | 0~160V | 0~160V | 0~250V | 0~250V | 0~250V | 0~800V | 0~800V | 0~800V | | 電流 | 0~7.2A | 0~14.4A | 0~21.6A | 0~4.5A | 0~9A | 0~13.5A | 0~1.44A | 0~2.88A | 0~4.32A | | 功率 | 360W | 720W | 1080W | 360W | 720W | 1080W | 360W | 720W | 1080W | | 調節率(CV) | | | | | | | | | | | 負載 | 85mV | 85mV | 85mV | 130mV | 130mV | 130mV | 405mV | 405mV | 405mV | | 電壓 | 83mV | 83mV | 83mV | 128mV | 128mV | 128mV | 403mV | 403mV | 403mV | | 調節率(CC) | | | | | | | | | | | 負載 | 12.2mA | 19.4mA | 26.6mA | 9.5mA | 14mA | 18.5mA | 6.44mA | 7.88mA | 9.32mA | | 電壓 | 12.2mA | 19.4mA | 26.6mA | 9.5mA | 14mA | 18.5mA | 6.44mA | 7.88mA | 9.32mA | | 漣波&噪聲(噪聲帶寬20MHz；漣波帶寬1MHz) | | | | | | | | | | | CV p-p | 60mV | 80mV | 100mV | 80mV | 100mV | 120mV | 150mV | 200mV | 200mV | | CV rms | 12mV | 15mV | 20mV | 15mV | 15mV | 15mV | 30mV | 30mV | 30mV | | CC rms | 15mA | 30mA | 45mA | 10mA | 20mA | 30mA | 5mA | 10mA | 15mA | | 編程精確度 | | | | | | | | | | | 電壓 | 0.1% +100mV | 0.1% +100mV | 0.1% +100mV | 0.1% +200mV | 0.1% +200mV | 0.1% +200mV | 0.1% +400mV | 0.1% +400mV | 0.1% +400mV | | 電流 | 0.1% +5mA | 0.1% +15mA | 0.1% +20mA | 0.1% +5mA | 0.1% +10mA | 0.1% +15mA | 0.1% +2mA | 0.1% +4mA | 0.1% +6mA | | 測量精確度 | | | | | | | | | | | 電壓 | 0.1% +100mV | 0.1% +100mV | 0.1% +100mV | 0.1% +200mV | 0.1% +200mV | 0.1% +200mV | 0.1% +400mV | 0.1% +400mV | 0.1% +400mV | | 電流 | 0.1% +5mA | 0.1% +15mA | 0.1% +20mA | 0.1% +5mA | 0.1% +10mA | 0.1% +15mA | 0.1% +2mA | 0.1% +4mA | 0.1% +6mA | | 響應時(shí)間 | | | | | | | | | | | 上升時(shí)間 | 100ms | 100ms | 100ms | 100ms | 100ms | 100ms | 150ms | 150ms | 150ms | | 下降時(shí)間(滿(mǎn)載) | 100ms | 100ms | 100ms | 150ms | 150ms | 150ms | 300ms | 300ms | 300ms | | 下降時(shí)間(空載) | 1000ms | 1000ms | 1000ms | 1200ms | 1200ms | 1200ms | 2000ms | 2000ms | 2000ms | | 負載瞬間恢復時(shí)間(負載改變50~100%) | 2ms | 2ms | 2ms | 2ms | 2ms | 2ms | 2ms | 2ms | 2ms | | 編程分辨率(PC遠程控制模式) | | | | | | | | | | | 電壓 | 3mV | 3mV | 3mV | 5mV | 5mV | 5mV | 14mV | 14mV | 14mV | | 電流 | 1mA | 2mA | 3mA | 1mA | 1mA | 1mA | 1mA | 1mA | 1mA | | 測量分辨率(PC遠程控制模式) | | | | | | | | | | | 電壓 | 3mV | 3mV | 3mV | 5mV | 5mV | 5mV | 14mV | 14mV | 14mV | | 電流 | 1mA | 2mA | 3mA | 1mA | 1mA | 1mA | 1mA | 1mA | 1mA | | 串聯(lián)和并聯(lián)能力 | | | | | | | | | | | 并聯(lián) | | 3 | 3 | 3 | 3 | 3 | 3 | | 串聯(lián) | | N/A | N/A | N/A | N/A | N/A | N/A | | 保護功能 | | | | | | | | | | | OVP | 16~176V | 16~176V | 16~176V | 20~275V | 20~275V | 20~275V | 20~880V | 20~880V | 20~880V | | OCP | 0.72~7.92A | 1.44~15.84A | 2.16~23.76A | 0.45~4.95A | 0.9~9.9A | 1.35~14.85A | 0.144~1.584A | 0.288~3.168A | 0.432~4.752A | | OHP | | 由升高的內部溫度決定 | | 前面板顯示精度(4位) | | | | | | | | | | | 電壓 | 0.1% ± 100mV | 0.1% ± 100mV | 0.1% ± 100mV | 0.1% ± 200mV | 0.1% ± 200mV | 0.1% ± 200mV | 0.1% ± 400mV | 0.1% ± 400mV | 0.1% ± 400mV | | 電流 | 0.1% ± 5mA | 0.1% ± 30mA | 0.1% ± 30mA | 0.1% ± 5mA | 0.1% ± 10mA | 0.1% ± 20mA | 0.1% ± 2mA | 0.1% ± 4mA | 0.1% ± 6mA | | 環(huán)境條件 | | | | | | | | | | | 操作溫度 | 0℃~50℃ | | 存放溫度 | -25℃~70℃ | | 操作濕度 | 20% ~ 85%RH；無(wú)凝結 | | 存放濕度 | 小于90%RH；無(wú)凝結 | | 回讀溫度系數(熱機30分鐘) | | | 電壓 | 額定輸出電壓的100ppm/℃ | | 電流 | 額定輸出電流的200ppm/℃ | | 其它 | | | 模擬控制 | 有 | | 接口 | USB/LAN/GPIB(選配) | | 風(fēng)扇 | 熱感控制 | | 電源 | 85VAC~265VAC，47~63Hz，單相 | | 尺寸&重量 | 71(W)×124(H)×350(D)mm；約3kg | 142(W)×124(H)×350(D)mm；約5.3kg | 214(W)×124(H)×350(D)mm；約7.5kg | 71(W)×124(H)×350(D)mm；約3kg | 142(W)×124(H)×350(D)mm；約5.3kg | 214(W)×124(H)×350(D)mm；約7.5kg | 71(W)×124(H)×350(D)mm；約3kg | 142(W)×124(H)×350(D)mm；約5.3kg | 214(W)×124(H)×350(D)mm；約7.5kg |
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