概述

　　组串式光伏逆变器又叫家用光伏逆变器，可将光伏组件(又叫太阳能电池板)产生的直流电转变为交流电汇总后升压、并网，为光伏系统的核心器件之一。本方案采用不完全分立设计(boost升压为分立+逆变为模块化)，可降低设计成本，优化逆变器整体的散热设计性能，改良光伏电池组件最佳工作点与逆变器不匹配的情况，最大程度增加发电量。

　　优势

　　• 高性价比驱动光耦(PS9031-Y-V-F3-AX)，50 kV/s MIN高共模抑制比，2.5A驱动电流，能有效抑制电压性噪声，保护光伏逆变器，世强常备库存，价格比竞争对手便宜，降低成本;

【PS9031-Y-V-F3-AX】

PS9031

2.5 A OUTPUT CURRENT, HIGH CMR, IGBT GATE DRIVE, 5-PIN SOP (LSO5 WITH 8mm CREEPAGE DISTANCE) PHOTOCOUPLER

DESCRIPTION

The PS9031 is an optically coupled isolator containing a GaAlAs LED on the input side and a photodiode, a signal

processing circuit and power MOSFETs on the output side on one chip.

FEATURES

> Long creepage distance (8 mm MIN.)

> Large peak output current (2.5 A MAX., 2.0 A MIN.)

> High speed switching (tPLH tPHL = 175 ns MAX.)

> UVLO (Under Voltage Lock Out) protection with hysteresis

> High common mode transient immunity (CMH, CML = 50 kV/s MIN.)

> Operating Ambient Temperature (125 C MAX.)

> Embossed tape product : PS9031-F3 : 3000 pcs/reel

> Pb-Free product

> Safety standards

> UL approved: UL1577, Double protection

> CSA approved: CA5A, CAN/CSA-C22.2 No.60065, CAN/CSA-C22.2 No.60950-1, Reinforced insulation

> VDE approved: DIN EN 60747-5-5 (Option)

APPLICATIONS

> IGBT, Power MOS FET Gate Driver

> Industrial inverter

> AC Servo

　　• 高性价比驱动光耦(PS9402-V-E3-AX)，带Miller钳位和Desat检测保护功能，大客户量产使用，世强常备库存，价格比竞争对手便宜;

【PS9402-V-E3-AX】

PS9402

2.5 A OUTPUT CURRENT, HIGH CMR, IGBT, POWER MOS FET GATE DRIVE, 16-PIN SSOP PHOTOCOUPLER

DESCRIPTION

The PS9402 is an optically coupled isolator containing a GaAlAs LED on the input side and a photo diode, a signalprocessing circuit and a power output transistor on the output side on one chip.

The PS9402 is designed specifically for high common mode transient immunity (CMR), high output current and highswitching speed.

The PS9402 includes desaturation detection and active miller clamping functions.

The PS9402 is suitable for driving IGBTs and Power MOS FETs.

The PS9402 is in a 16-pin plastic SSOP (Shrink Small Outline Package). And the PS9402 is able to high-density(surface) mounting.

FEATURES

• Long creepage distance (8 mm MIN.)

• Large peak output current (2.5 A MAX., 2.0 A MIN.)

• High speed switching (tPLH, tPHL = 200 ns MAX.)

• UVLO (Under Voltage Lock Out) protection with hysteresis

• Desaturation detection

• Miller clamping

• High common mode transient immunity (CMH, CML = ±25 kV/μs MIN.)

• Embossed tape product: PS9402-E3: 850 pcs/reel

• Pb-Free product

• Safety standards

• UL awaiting approval

• CSA awaiting approval

• DIN EN60747-5-2 (VDE0884 Part2) awaiting approval

APPLICATIONS

• IGBT, Power MOS FET Gate Driver

• Industrial inverter

• Uninterruptible Power Supply (UPS)

　　• MNPC T字型逆变IGBT模块(30-FT12NMA160SH-M669F08，30-FT12NMA160SH02-M669F28)用在DC/AC逆变电路中，设计结构更紧凑，可靠性更高。

【30-FT12NMA160SH-M669F08】

Features

● mixed voltage NPC topology

● reactive power capability

● low inductance layout

● Split output

● Common collector neutral connection

Target Applications

● solar inverter

● UPS

● Active frontend

Types

● 30-FT12NMA160SH-M669F08

　　【逆变器】

　　逆变器又称电源调整器，根据逆变器在光伏发电系统中的用途可分为独立型电源用和并网用二种。根据波形调制方式又可分为方波逆变器、阶梯波逆变器、正弦波逆变器和组合式三相逆变器。对于用于并网系统的逆变器，根据有无变压器又可分为变压器型逆变器和无变压器型逆变器。