3.NBQ350-110-3KW_Electric Vehicle Mounted Inverter_Products_Shenzhen Kingsource Technology Co., Ltd.

B Model：NBQ350-110-3KW

Power Inverter for New Energy Vehicles

Product Overview

The inverter adopts 32-bit DSP all-digital control technology, which makes the inverter module have multiple protection functions, such as over-temperature automatic derating, over-current, short-circuit and other multiple protection.

Model: NBQ350-110-3KW (Isolated version)

Input DC voltage: 350V(200V~450V)

Output AC voltage: 110V/60HZ sine wave

Working environment: -40℃~55℃

Product Size: L365MM*W230MM*H100MM

Output power: 3KW

Working efficiency: 92%

Net weight: 12KG

Cooling method: fan cooling

Power on mode: 9~36Vdc voltage enable

Communication mode: CAN communication

Protection grade: IP65

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Application field

This power supply is a high reliability inverter, which is mainly used to provide auxiliary AC power supply for electric buses and medical buses. It is used to supply power for auxiliary AC equipments in electric vehicles, such as air conditioners, microwave ovens, refrigerators, CD players, heaters and medical electronic instruments. High reliability, high efficiency, small size and low noise are the features of this inverter.

Product details

1. 电气拓扑图

2. 环境条件

参数	最小值	典型值	最大值	单位	说明
工作温度	-20	-	55	℃	环境温度
存储温度	-20	-	80	℃	环境温度
工作相对湿度	5	-	95	%
存储相对湿度	5	-	95	%
海拔高度			4000	m	3000米以上需降额使用，每升高100米额定输出电流减少3%
其它气候条件	汽车正常运行所承受的雨、雪、风沙的侵袭; 虫蛀、啮齿类动物的侵害; 霉变以及洗车清洁剂的影响.

3. 电气特性

3.1. 输入基本特性

参数	最小值	额定值	最大值	单位	说明
工作电压范围	200	350	450	V_DC
输入电流	-	-	16.5	A
电池漏电流	-	-	5	mA	关机状态下电池漏电流
输入过压保护点	-	-	455	V_DC	可自动恢复
输入过压恢复点	-	-	445	V_DC	回差大于5V
输入欠压保护点	195	-	-	V_DC	可自动恢复
输入欠压恢复点	205	-	-	V_DC	回差大于5V
输入反相保护	-	-	450	V_DC	无输出，不损坏。

3.2. 输出特性

参数	最小值	额定值	最大值	单位	说明
输出电压	-	110	-	V_A_C
输出频率	-	60	-	Hz
输出电压精度	-	±2	-	%
输出频率进度	-	±1	-	%
输出电压谐波	-	-	5	%
输出功率	-	-	3	kW
额定输出电流	-	27.3	-	A
开机启动时间	-	-	6	S
动态响应恢复时间	-	-	200	mS	恢复额定输出的90%
功率因数	-	-	100	%
效率	-	92	-	%
输出过流保护	100%~120%：10s； 120%~130%：1s； >130% ；100ms
输出波形	正弦波
工作制	S9 不间断运行（满负载可不间断运行10小时以上）
带载能力	感性负载，如家用空调、冰箱；SPS,RCD