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1. 概述

General

此型號DYT54.75V120A 450×350×238mm的鋁質外殼充電器能在輸出54.75Vdc/120A的情況下工作，具有反接保護功能。

Battery Charger DYT54.75V120A 450×350×238mm can work normally under 54.75Vdc/120A and with reverse polarity protection.

2. 主要參數

Main product specification

***大輸出功率

Max.output power

輸入電壓

Input voltage

***高輸出電壓

Output voltage

誤差范圍

Combined regulation

輸出電流

Output current

誤差范圍Combined

regulation

7000W

230Vac

54.75V+/-0.2Vdc

+/-0.2V

value="120" tcsc="0" unitname="a" w:st="on">120A

+/-0.2A

3. 環境條件

Environmental condition

序號No.

項目Item

技術參數

Technical specification

備注Remark

濕度 Humidity

5~95%

帶包裝 With package

海拔Altitude

≤3000m

正常工作 Work normally

4. 技術特征

Electrical characteristics

4.1 輸入特征：

Input characteristic

序號No.	項目Item	技術參數 Technical specification	備注 Remark
1	額定輸入電壓 Rated input voltage	230Vac	230Vac
2	電壓輸入范圍 Input voltage range	200 ~ 230Vac
3	頻率 AC input voltage frequency	50～60 Hz

4.2 輸出特征和充電模式：

Output characteristic or charge stages

序號 No.	項目 Item	技術參數 Technical specification	備注 Remark
1	恒流 CC(constant current)	≤54.75Vdc, 100A
2	恒壓 CV(constant voltage)	54.75Vdc,100A↓
3	浮充 Float stage	無 NO	5%CC
4	效率 Power efficiency	≥86%	輸入電壓=220Vac, 額定負載 Vin=220Vac,rated load

4.3 保護特征：

Protection characteristics

序號

No.

項目

Item

技術參數

Technical specification

備注

Remark

過壓保護

Over voltage protection

是

Yes

限壓保護

Software over voltage protection

充電器設置的***大輸出電壓不會超過電池的***大充電電壓。

The charger software limits the maximum output voltage to a level suitable for the connected battery system.

過熱保護

Thermal protection

是 YES

限流保護

Current limiting protection

是 Yes

恒流

At CC mode

短路保護

Short circuit protection

當輸出短路時充電器不能正常工作，輸出恢復正常，充電器可自行恢復。

Short circuit protection should be automatically recovery after remove the condition.

反接保護

Reverse polarity protection

當輸出線接反后充電器不會工作，直到使用者接正確后方可啟動。

When output wires are reversely connected to the battery the charger will not operate and will work normally when DC wires are correctly connected.

4.4 充電指示

Charging indicator

序號No.	項目 Item	狀態 Status	備注Remark
1	電源Power on	LED1: 紅燈 Red
2	充電Charging	LED2: 紅燈 Red
3	充滿 Fully charged	LED2: 綠燈 Green
4	輸出電壓顯示 Charging Voltage Display	是 YES
5	輸出電流顯示 Charging Current Display	是 YES
6	能量顯示	是 YES

5. 安全性&電池兼容性

Safety & EMC

序號 No.	項目 Item		標準 ( 或測試條件) Standard (or test condition)	備注 Remark
1	耐壓測試 Electric strength test	輸入-輸出 Input-output	1500Vac/10mA/1min	無故障 No breakdown
2	絕緣電阻 Isolation resistance	輸入-接地 Input-ground	≥10Mohm@500Vdc
2	絕緣電阻 Isolation resistance	輸出-接地 Output-ground	≥10Mohm@500Vdc
3	泄漏電流 Leakage current		＜3.5mA	Vin=460Vac
4	低電壓測試 LVD		EN60335-1:2002+EN60335-2-29:2002

備注：辨識A：在技術要求范圍內，充電器功能正常；

Remark: Discrimination A- Function OK under technical requirement range;

辨識R：只有由外部干擾信號引起的保護裝置（保險絲）損壞，整個設備在更換保護裝置和重設運行參數后才能正常工作，因機械性損壞和設備故障的設備卻不能。

Discrimination R- Physical damage or failure of equipment are not allowed, but damage of protection device (fuse) caused by interference signal of outside is allowed, and the whole equipment can work normally after replacement of protection device and reset of running parameter

6. 環境測試要求

Environmental testing requirements

序號 No.	項目 Item	技術參數 Technical specification	備注 Remark
1	***高工作溫度 High temperature ambient operating	+value="40" tcsc="0" unitname="℃" w:st="on">40℃	性能正常 Features OK
2	***低工作溫度 Low temperature ambient operating	value="10" tcsc="0" unitname="℃" w:st="on">-10℃	性能正常 Features OK
3	***高存儲溫度 High temperature storage	+value="70" tcsc="0" unitname="℃" w:st="on">70℃	在恢復正常溫度2小時后，充電器能正常工作。 Work normally after recovery under normal temperature for 2 hours
4	***低存儲溫度 Low temperature storage	value="40" tcsc="0" unitname="℃" w:st="on">-40℃	在恢復正常溫度2小時后，充電器能正常工作。 Work normally after recovery under normal temperature for 2 hours
5	隨機振動 Random vibration	20Hz to 2000Hz 3Grms 20hours per axis
6	重復震動 Repetitive shock	value="40" tcsc="0" unitname="g" w:st="on">40g peak 3 orthogonal axes, 3+ and 3- in each axis, 11ms pulse width
7	熱沖擊 Thermal shock	value="35" tcsc="0" unitname="℃" w:st="on">-35℃ to value="75" tcsc="0" unitname="℃" w:st="on">75℃, ＜3min transition, 2.5hours dwell, 200cycle
8	跌落測試 Drop test	BS EN60068-2-32:1993 TEST ED: free fall appendix B

7. 機械特征

Mechanical characteristic:

外殼材質：鋁

Shell material: Aluminum

外殼尺寸: 長*寬*高=450×350×238毫米

Outline dimension: L*W*H=450×350×238mm

輸入接口: 通過IEC 標準

Input socket: meets IEC standard

電源線: 1.5米長

AC wires: value="1.5" tcsc="0" unitname="m" w:st="on">1.5m length

輸出線: 接頭

DC OUT:

凈重: 30千克

Net Weight: value="30" tcsc="0" unitname="kg" w:st="on">30Kg

8. 包裝，運輸方式和存儲方式 Package, transportation & storage

8.1 包裝 Package:

包裝盒內有產品名稱，型號，生產廠家名稱，安全標準，序號，使用說明書以及裝箱單。

There is product name, model, name of manufacturer, safety approval, serial number, User Manual and packing

list in the package box.

8.2運輸方式 Transportation：

適用于貨車裝運，產品需放在陰處，裝卸時請小心。

Suit for transportation by truck, the products should be shielded by tent from sunshine, and loaded and unloaded carefully.

8.3存儲方式 Storage：

當產品不使用時，應放在包裝盒內。倉庫溫度應在-40~70℃，相對濕度為5~95%，并且倉庫內不能有有害氣體，易燃品，爆炸品，腐蝕性等化學物品及強有力的機械震動、沖擊和磁場影響。包裝盒需放在距離地面至少20cm高，距離墻，熱源，和通風口50cm遠。充電器在此種存儲條件下可以放兩年，超過兩年須重新檢測。充電器必須每三個月通電一次，通電時間應不少于0.5小時。

Products should be stored in package box when it is not used. And warehouse temperature should be -40~value="70" tcsc="0" unitname="℃" w:st="on">70℃, and relative humidity is 5~95%. In the warehouse, there should not be harmful gas, inflammable, explosive products, and corrosive chemical products, and strong mechanical vibration, shock and strong magnetic field affection. The package box should be above ground at least 20cm height, and 50cm away from wall, thermal source, and vent. Under this requirement, product has 2 years of storage period, and should be rechecked when over 2 years.

9.可靠度需求Reliability requirements

MTBF（標準，環境溫度，負載要求）≥50K小時；

MTBF (standard, environmental temperature, load requirement) ≥50K hours;

測試條件:25℃,滿載，測試通過值。

testing condition: value="25" tcsc="0" unitname="℃" w:st="on">25℃,full load, testing proved value.