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LED驅(qū)動電源如何測試 ?

現(xiàn)在大多數(shù)工程師在測試LED電源時,有的用LED燈珠,有的用普通型的電子負載,有用1000多元,有用3000元的,但市面上大多的電子負載是不能模擬LED燈珠的,所以,測試出來的功率因數(shù)應(yīng)該是不正確的.這也是為什么CHROMA,以及博計推出專用的LED電子負載. 同時,深圳新能基科技也推出了相應(yīng)的電子負載,具有LED,CC,CP,CV,CR等五種模式,不但可以測試LED電源,也可以測試充電器,適配器等電源,是一個多功能的電子負載.具有與CHROMA,博計一樣的功能,但價格相對應(yīng)來說要低很多.

預(yù)計年底可以量產(chǎn),敬請大家的期待! (同時,新能基將參加 電源網(wǎng)11月電源技術(shù)論壇,屆時請大家參觀指導(dǎo)!)

但,具有測試LED功能的電源測試系統(tǒng),新能基科技早電子負載一步推了出來,一經(jīng)推出得到廣大電源企來的青睞.

真正實現(xiàn)LED電源測試的自動化, 為電源企業(yè)提高生產(chǎn)效率,降低測試成本.

詳情也可登入http://www.sts-ate.com    電話咨詢:013377782881 許生

不同的配置,滿足不同的需求!

ATC1500-QRX:

 

具有以下測試項目:

:ATC1500-S

 

ATC1500-D:

  

主要功能特點:

                    

1.可以測試150W以內(nèi)任何單組輸出電源

2.圖形界面基于Windows XP環(huán)境

3.測試程序編輯功能

4.測試項目選擇功能(輸入/輸出/空載/短路

5.欠壓/穩(wěn)壓/過載/紋波/效率等功能)

6.統(tǒng)計測試報告(Excel電子檔)

7.自動生成CPK等品質(zhì)報表

8.配置靈活

9.性價比高,適合大中小企業(yè)。

10.測試速度快

11.測試不良結(jié)果實時打印功能

 

 

測試項目:

啟動測試(Start-up)

欠壓測試(UVLO)              

待機測試(Idle)                  

恒壓區(qū)測試(Standard CV)

恒流區(qū)測試(Standard CC) 

LED驅(qū)動電源測試(LED       

短路測試(Short Circuit)

過壓測試(Over Voltage)          

過流測試(Over Current)

線調(diào)整(Line Regulation)         

負載調(diào)整(Load Regulation)

關(guān)機測試(Power Down)           

支持性測試(Support Function)

 

Test Name

Parameter and Range(測試項目與量程)

Accuracy

STAR 啟動測試

Inrush current: 0 – 83Apk

Startup time: 0 to 32767msec.

Output voltage overshoot: 0 – 60Vpk

±1% (reading + range)

±1ms

±1% (reading + range)

UVLO欠壓測試

Functional test only, Pass/Fail

N/A

IDLE   待機測試

Standby input power: 0 – 5/25/250/1250W

Standby input current: 0 – 0.1/0.5/5/25Apk

Input voltage: 30 – 280V*Note 2

±0.1% (reading + range)

±0.1% (reading + range)

±0.1% (reading + range)

STANDARD CV

(Constant Current and Constant Resistance load) 恒流

CC Mode: 0 – 3/15 A

CR Mode: 0.1 – 50Ohm

Input Voltage: 30 – 300Vrms *Note 1

Input Current: 0 – 0.1/0.5/5/25Apk

Input Power: 0 – 5/25/250/1250W

Power Factor 0 – 1.0

Output Voltage 0 – 15/60Vdc

Output Current 0 – 3/15Adc

Efficiency: 0 – 100%

Ripple/Noise 200kHz: 0 – 500mV

Ripple/Noise 20MHz: 0 – 500mV

±0.15% (setting + range)

±0.3% (setting + range) *Note 2

±0.1% (reading + range)

±0.1% (reading + range)

±0.1% (reading + range)

±0.2% (reading + range)

±0.05% (reading + range)

±0.1% (reading + range)

±0.25% (reading + range)

±2% (reading + 5mV)

±2% (reading + 5mV)

STANDARD CC

(Constant Voltage and Constant Resistance load)恒壓

CV Mode: 0 – 15/60V

CR Mode: 0.1 – 50Ohm

Input voltage: 30 – 300Vrms *Note 1

Input Current: 0 – 0.1/0.5/5/25Apk

Input Power: 0 – 5/25/250/1250W

Power Factor 0 – 1.0

Output Voltage 0 – 15/60Vdc

Output Current 0 – 15Adc

Efficiency: 0 – 100%

±0.15% (setting + range)

±0.3% (setting + range) *Note 3

±0.1% (reading + range)

±0.1% (reading + range)

±0.1% (reading + range)

±0.2% (reading + range)

±0.05% (reading + range)

±0.1% (reading + range)

±0.25% (reading + range)

LED Driver Test (LED Load)

LED驅(qū)動

Input voltage: 30 – 300 Vrms *Note 1

Input Current: 0 – 5/25Apk

Input Power: 0 – 250/1250W

Power Factor 0 – 1.0

Output Average Current reading: 0 – 15Adc

Output Average Voltage reading: 0 – 60Vdc

Output pulsed current reading (TRIAC, PWM)

±0.1% (reading + range)

±0.1% (reading + range)

±0.1% (reading + range)

±0.2% (reading + range)

±0.1% (reading + range) *Note 4

±0.05% (reading + range) *Note 4

±0.5% (reading + range)

SHORT CIRCUIT

 

短路測試

Input voltage: 30 – 300 Vrms *Note 1

Input Current: 0 – 5/25Apk

Input Power: 0 – 250/1250W

Power Factor 0 – 1.0

Output Average Current: 0 – 15Adc

±0.1% (reading + range)

±0.1% (reading + range)

±0.1% (reading + range)

±0.2% (reading + range)

±0.2% (reading + range) *Note 4

OVER CURRENT

過流

Current trip point: 0 – 3/15Adc

Trip point voltage: 0 – 15/60Vdc

Wait Time >= 10msec.

Wait Time < 10msec.

Voltage Before Trip Point: 0 – 15/60Vdc

Current Before Trip Point: 0 – 3/15Adc

±0.1% (reading + range)

 

±0.05% (reading + range)

±0.1% (reading + range)

±0.1% (reading + range)

±0.1% (reading + range)

OVER VOLTAGE

過壓測試

OV trip point: 0 – 60V

±0.1% (reading + range)

LINE REGULATION

線性調(diào)整率

Voltage regulation: 0 – 100%

±0.1% (reading + range)

LOAD REGULATION

負載負整率

Voltage regulation: 0 – 100%

±0.1% (reading + range)

AVERAGE EFFICIENCY

平均效率

Efficiency: 0 – 100%

±0.25% (reading + range)

I-V CURVE PLOT

I-V曲線

CC Mode: 0 – 3/15 A

CC Mode Output Voltage 0 – 15/60Vdc

CC Mode Output Current 0 – 3/15Adc

CV Mode: 0 – 15/60V

CV Mode Output Voltage 0 – 15/60Vdc

CV Mode  Output Current 0 – 15Adc

±0.15% (setting + range)

±0.05% (reading + range)

±0.1% (reading + range)

±0.15% (setting + range)

±0.05% (reading + range)

±0.1% (reading + range)

POWER DOWN

關(guān)機測試

Holdup time: 0 – 65535 msec.

Input voltage: 30 – 300Vrms *Note 1

Output Current 0 – 3/15Adc

Output voltage overshoot: 0 – 60Vpk

±1ms

±0.1% (reading + range)

±0.1% (reading + range)

±1% (reading + range)

Global Setting

Load On Voltage: 0 – 60Vdc

Wait Time: 0 – 32767msec.

Nominal Output Voltage: 0 – 60Vdc

Nominal Output Current: 0 – 15Adc

±1%  (reading + range)

±1ms

±1% (reading + range)

±1% (reading + range)

Optional Setting 支持性功能

Bias Output Voltage : 0 – 28Vdc

Relay State rated current: 3A

±0.2% (reading + range)

-

  

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abc017035
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2011-07-26 14:04
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apexxu
LV.5
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2011-08-06 10:53
@abc017035
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apexxu
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2011-08-26 11:24
@apexxu
ding
 
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apexxu
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2011-12-15 12:15
@apexxu
[圖片] 
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jassy
LV.1
6
2015-10-07 17:57
@apexxu
ding

還是小型化的自動測試系統(tǒng)更好,也代表未來的自動測試發(fā)展方向。各項測試指標(biāo)和控制都可在一個ARM中完成,嵌入式,智能化,網(wǎng)絡(luò)化。體積小,安裝維護方便,價格也低。

另外,如果要測調(diào)光,要考慮調(diào)光的范圍,線性和閃爍,還要考慮如何控制自動調(diào)光。

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