Kulicke&Soffa 01471-4000-000-36摘要：光伏发电是根据光生伏特效应原理，利用太阳电池将太阳光能直接转化为电能。光伏发电系统一般是由太阳能电池方阵，蓄电池组，充放电控制器，逆变器，交流配电柜，太阳跟踪控制系统等设备组成。本文将以一个太阳能电池方阵为例，介绍海为PLC在光伏发电中的应用。
Kulicke&Soffa 01471-4000-000-36前言：光伏发电是根据光生伏特效应原理，利用太阳电池将太阳光能直接转化为电能。光伏发电应用场合广泛，在交通领域、通讯/通信领域、石油、海洋、气象领域以及居民生活用电等都有他们的身影，具有安全可靠，无噪声，无污染排放外，发电效率受环境温度影响小，系统占地面积小，土地利用率高等优点。光伏发电系统一般是由太阳能电池方阵，蓄电池组，充放电控制器，逆变器，交流配电柜，太阳跟踪控制系统等设备组成。本文将以一个太阳能电池方阵为例，介绍海为PLC在光伏发电中的应用。
关键字：Haiwell(海为)国产PLC   海为H01TCP-4智能网关  光伏发电
一、Kulicke&Soffa 01471-4000-000-36太阳跟踪系统原理
视日运动轨迹跟踪。由于相对于某一个固定地点的太阳能光伏发电系统，一年春夏秋冬四季、每天日升日落，太阳的光照角度时时刻刻都在变化，如果太阳能电池板能够时刻正对太阳，发电效率才会达到最佳状态。目前通用的太阳跟踪控制系统都需要根据安放点的经纬度等信息计算一年中的每一天的不同时刻太阳所在的角度，将一年中每个时刻的太阳位置存储到PLC中，也就是靠计算太阳位置以实现跟踪。
传感器跟踪。传感器跟踪是利用光线传感器检测太阳光线是否偏离电池板基线，当太阳光线偏离电池板基线时，传感器输出一个偏差信号，该信号经放大并转成标准信号，通过模拟量输入通道传给PLC，PLC运算后通过开关量输出控制执行机构，使跟踪装置重新对准太阳。
二、Kulicke&Soffa 01471-4000-000-36太阳能电池方阵组网介绍
1、单个太阳能电池方阵组网示意图：
图片1.png
2、光伏发电场万台跟踪器组网示意图
一个光伏发电场往往有成千上万台跟踪器，海为PLC和H04TCP-4网关组网便捷强大，把多个太阳能电池方阵接到光纤以太网交换机上，通过以太网传输，即可在中控室里对成千上万台PLC进行监控。组网示意图如下：
图片2.png
3、系统主要硬件配置
3.1 海为PLC
海为PLC混合型主机自带开关量和模拟量，6路模拟量输入，量程为0~10V，使用12位AD转换（通用0~20mA），支持直接接入光传感器。CPU 主机带2 个通讯口，可扩展至5 个通讯口，每个通讯口都可以进行编程和联网，都可作为主站或从站。支持1：N、N：1、N：N 联网方式，支持各种人机界面和组态软件，可与任何带通讯功能的第三方设备（如变频器、仪表、条码阅读器等）联网。
3.2 Kulicke&Soffa 01471-4000-000-36海为H01TCP-4智能网关
H01TCP-4是一款功能强大的硬件协议网关，将从设备的各种协议转成标准Modbus RTU或Modbus TCP协议。网关支持模拟量线性转换，支持取位功能，高低字节交换功能；网关内置WEB服务器，用户可以通过浏览器查看实时变化的数据和通信状态，方便现场调试；自带4个通讯串口1个以太网口，每个通讯口都自带通讯隔离。此外，智能网关还可对每个通讯口网络里的从机做通讯断线报警。
3.3光纤以太网交换机、中控室SCADA系统。
4、系统数据采集控制原理
每个跟踪器即1台海为PLC，时刻接收传感器传入的太阳光线位置信号，通过PLC模拟量输入通道给PLC，PLC经过用户程序运算，控制执行机构转动方向，使太阳能接收器时刻正对太阳直射方向，以获得最大有效照射面积。
单个太阳能电池方阵中H01TCP-4，带4个通讯串口，每个串口连接15台PLC，把PLC里的数据采集到智能网关内部存储器存储，供上位机通讯采集监控和使用。上位机也可以发出控制命令，通过智能网关传给每个串口相应的PLC。此外，多个太阳能电池方阵可以一同接到光纤以太网交换机上，这样就可以实现对一个太阳能光伏发电场成千上万台的跟踪器进行集中控制监视。
三、Kulicke&Soffa 01471-4000-000-36系统优点
1、海为H01TCP-4只能网关组网能力强。多个太阳能电池方阵可以一同接到光纤以太网交换机上，这样就可以实现对一个太阳能光伏发电场成千上万台的跟踪器进行集中控制监视。
2、与传统组网相比，成本极大降低。传统采用一台PLC加一个以太网模块对每台跟踪器进行数据采集和监控，成本巨大；采用海为H01TCP-4只能网关模块，一个网关既可监控60多台PLC的运行情况。
3、智能网关对每一个网络里的每一个从机都会做通讯断线报警。管理方便，而传统的组网方式传统的网络管理难度大，排除故障难，人力投入大。
4、海为PLC通讯组网能力强。CPU 主机自带2 个通讯口，每个通讯口都可以进行编程和联网，都可作为主站或从站。支持1：N、N：1、N：N 联网方式，支持各种人机界面和组态软件，可与任何带通讯功能的第三方设备（如变频器、仪表、条码阅读器等）联网。
5、海为PLC编程软件全仿真，模拟量无须通过编程进行码值与工程量之间的转换。减少了程序编写和现场调试时间，方便了技术人员的调试工作，提高了工作效益。
 

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LOT OF 3 SQUARE D CIRCUIT BREAKER EDBI4020 20 AMP ONE POLE 277 VOLT EDB14020
NSi Polaris IPLD 3/0-4 Four Port Wire Connector CU9AL 90C 600V
CX-105-3 Wattstopper Passive Infrared Occupancy Sensor
LOT OF 2 SQUARE D QO 50A CIRCUIT BREAKER 50 AMP
GE General Electric THQAL32060 60A 3P 240VAC Circuit Breaker
Westinghouse 20 Amp Circuit Breaker EB3020 20A
Westinghouse EB3060 EB Circuit Breaker 60A 3P 240V
565B714G2 GE Switch THMF3161R 30A See Pictures
WESTINGHOUSE BA3020H CIRCUIT BREAKER
ABB Contactor A12-30-10 A123010
LOT OF 10 NEW CUTLER-HAMMER DS100GK GROUND LUG KIT 100AMP MAX DS100G
LOT OF CUTLER HAMMER CIRCUIT BREAKER LOCK OUTS & HANDLES
General Electric TEB132070 70 amp circuit breaker (CHIP ON CORNER)
LOT OF 4 Telemecanique Therman Overload Relay LR2-D1314
ITE EE2B020 20A CIRCUIT BREAKER
WESTINGHOUSE HFB3020L 3P 20A AMP 600V-AC MOLDED CASE CIRCUIT BREAKER
WESTINGHOUSE 0-600 AC AMPERES METER KR-241
POLARIS IPLD500-3 Insulated Connector,Multi-Tap
HUBBELL WIRING DEVICE 02201038 Support Grip,Offset Eye, .630"-.740"
ILSCO TA-1000-2N ALUMINUM LUG
T&B RUSSELLSTOLL 3754 3POLE 4WIRE 20A@600VAC 30A@250VAC EVERLOCK RECEPTACLE
SQUARE D 3-POLE OVERLOAD RELAY 31035-002-62
Square D 9999 PL12 PILOT LIGHT KIT
SQUARE D DELUXE RING NUT WRENCH FOR SQUARE PROFILE OPERATORS
SQUARE D 9001 LR1 RING NUT WRENCH
Square D NQN1CU Neutral Kit, New
WESTINGHOUSE 505C633G13 COIL 480/440V-AC REPLACEMENT PARTS CONTACTOR
Banner SBDX1 16648 Scanner Block (for parts)
GE TERMINAL BLOCK CAT# SDCTBA11
allen bradley 800t-NX1063
Lot 10 Siemens ITE 20A 1P Circuit Breaker 120/240V Bolt-On BQ1B020 / QTY
Lot Of 2 AMERICAN NC230 30 AMP 2-POLE CIRCUIT BREAKER
SIEMENS OVERLOAD RELAY 3RU1126-1CB0 & 3RT1023-1B (chip/cracked)
RUSSELLSTOLL UNI-GARD RS330P6W 330P6W 30A 250V 2P 3W WATERTIGHT PLUG
SQUARE D 9001KR5R MUSHROOM BUTTON OPERATOR
Used Russellstoll, T&B, Pin & Sleeve Connector, 3933, 30A 250V, 20A 600V, 3pin
DELTROL CORP 20114-81
Johnson Controls Class 2 Transber Model: Y65A21-0. Loc:2A1
LOT OF 10 Hubbell Stainless Steel Wall Plate SS8
New w/o box ALLEN BRADLEY 800T-B6A RED FLUSH PUSHBUTTON 600V
Allen Bradley 800T-A2PD1 SerT Push Button Flush Head Smooth Face Black NIB
Simplex 2081-9272 12 volt Rechargeable Lead Battery
McPhilben Exit Sign ER55L Series EM LED Cast EXIT 1 Grn NEW
LOT OF 2 EATON HFD1020 20A CIRCUIT BREAKER 20 AMP
COOPER B-LINE 664 SC NK SCREW COVER JUNCTION BOX
LOT OF 2 SIEMENS NGB1B020 20 AMP, 1 POLE, 347 VOLT CIRCUIT BREAKER
Emerson / Funai BA31MOG0201 2 Main Board for LE290EM4F LF320FX4
LOT OF 2 FERRAZ SHAWMUT 3032-S
LOT OF 4 HUBBELL HBL2621 30A 250V
Siemens NGB1B020B Type NGB 20 Amp 1 Pole 600 Volt Circuit Breaker
HOFFMAN COOLING FAN MOUNTING BRACKET ASSEMBLY - ABRKT6
Allen-Bradley 42DTB-5000 Photoswitch
Emerson LE320EM3 LF320EM4 LF320EM4F LF320FX4F Pedestal Stand Base With Screws
Emerson LE320EM3 LF320EM4 LF320EM4F LF320FX4F Pedestal Stand Base with screws
Micro Switch PC1L PC 1L
SmartMate Advance ICF2S42M2LDK Ballast.
Emerson LF320EM4 LF320EM4F LF320FX4F PEDESTAL STAND WIITH SCREWS
SQUARE D TYPE M08 MULTIBREAKER AD-ON UNIT 15A 15 AMP CAT# 115A
Westinghouse Coil 178C603G01 120V
LOT OF 3 GE General Electric CR123C1.96A Thermal Overload Relay Starter C196A
LOT 3 NEW GENERAL ELECTRIC GE CR123C379A OVERLOAD RELAY HEATER ELEMENT B285223
C320KGS20 Cutler Hammer
GENERAL ELECTRIC CR104PXK95 STANDARD KEY
Burndy YA392N Two Hole Hylug Code Conductor Long Barrel Copper Compression Termi
New Littlefuse Fuse Reducers LRU216R
FPE A.C. MAGNETIC STARTER CLASS 4204 STYLE AU13 FORM S NEMA SIZE 1 600VAC
APPLETON JBX-50L-A 1/2 ALUMINUM
SIEMENS 22E w/ 3RT1916-1BC00
SQUARE D PILOT LIGHT ASSEMBLY 9999PL10G
SIEMENS BQ230 CIRCUIT BREAKER 2P 30A
Burndy Lugs, Model# 392030 KA4OU, set of (3), 300-800 Dual Rated, NEW In Box
SCHNEIDER ELECTRIC SQUARE D 39970 SEALING ACCESSORY
AIRPAX IEGS1-1REC4-51-15.0-S-01-V 15A CIRCUIT BREAKER
Lot Of 7 Idec RR3PA-U Relay
TDR4B22 SSAC Solid State Advanced Controls Relay 120VAC 4884S33
CUTLER HAMMER 1889-1 110/120V COIL
Square D General Purpose Relay Type KU-12 Class 8501KU12 W/ 8501NR82
Siemens - 3UA50 00-1J - Overload Relay
CUTLER HAMMER E22VF1A
DAYTON 6X154E
E. DOLD u. SOHNE KG BA-9054
DAYTON 5X826E RELAY
Banner OLM5-27098 Timing Logic Module
JOHNSON CONTROLS Y65A13-0 CLASS 2 TRANSFORMER- 120 VAC, 60 HZ Primary LOC:2A1
Johnson Controls TE-6311M-1 Duct Probe Temperature Sensor 1K ohm 8" Probe NEW
Veris Victory 120 SPDT Enclosed Relay -New in Box
Allen Bradley 800T-PSD16R Small Dual Input Type Pilot Light RED Ser C NEW!
Politoys FX3 - LOTUS JPS F.1 Scala 1/25 (ca.1975) Emerson Fittipaldi
Square D G2-BA Under Floor Duct Duplex Receptacle Box
LOT OF NEW 3 GENERAL ELECTRIC 123F914B OVERLOAD HEATERS
GE C326A Thermal Overload Element GENERAL ELECTRIC
Square D G2-LA Service Fitting
C33.0B GE Overload Heater CR123C33.0B
Hubbell HBL2320 20 AMP 250 Volt L6-20R RECEPTACLE 2320
Beko Classic Clear Plastic Thermostat Guard, BTG-K, NIB
Federal Pacific FPE Type NA Stab-Lok Breaker 2 Pole 50 Amp NA250
ALLEN BRADLEY 150-CA11
SIEMENS CONTACTOR 3TH2040-0AK6 120V COIL 10A A AMP 3TH20400AK6 W/ 3TX4404-0A
GENERAL ELECTRIC BNDKT Bonding Strap Kit
3M 8424-8 Cold Shrink Connector Insulator For 10-1/0
Marathon 1500 Series Contact Block 600V 75A 1504 SC 72769
Simplex 4090-9810 Fire Alarm IDNET Bracket Assembly
EATON CUTLER-HAMMER C306KAL1 LUG ADAPTER ASSEMBLY KIT
Westinghouse L-56B Electrical Interlock 2 No. Poles
2537 Joslyn Clark Sylvania Overload Heater
CUTLER HAMMER FH84 FH-84 FH 84 HEATER ELEMENT NEW
GE Thermal Overload Heater Element C180B GENERAL ELECTRIC
New Square D "A" Hub For 1 1/2'' conduit fitting A150
NEW Air Products & Controls MR-101/C/R Multi-Voltage Control Relay MR101CR
RED DOT IH3-1-LM OUTLET BOX 1/2"
PASS & SEYMOUR L520-C TURNLOK CONNECTOR 20A 125V
GENERAL ELECTRIC NKA A SERIES PRO STOCK ACCESSORY
PASS & SEYMOUR L530-R TURNLOK RECEPTACLE 30A 125V
HUBBELL POLYTRAK NONMETALLIC RACEWAY SYSTEMS PT12CA
PASS & SEYMOUR L530-C TURNLOK CONNECTOR 30A 125V BLACK & WHITE
PASS & SEYMOUR L530-P TURNLOK PLUG 30A 125V
HUBBELL HBL2162OW 20A 125V 2 POLE 3 WIRE DUPLEX RECEPTACLE
SIEMENS 3SB3 240-6BA20 INDICATOR LIGHT
SQUARE D 20 AMP 1 POLE GFI CIRCUIT BREAKER QOB120GFI (Broken Clip)
Square D Track Mount Transient Voltage Suppressor 9080-GT6 120VAC
FERRAZ 40608G FUSE BLOCK
Gould Shawmut Fuse Holder, 30312R
NEW IN BOX JOHNSON CONTROLS FTG18A-600R REMOTE MOUNTED PROBE
general electric spc0v1 sealable plastic circuit breaker cover
MICRO SWITCH 6PA1 (BLUE & WHITE BOX) *NEW IN A BOX*
Siemens HR656 Class "R" Fuse Clip Kit For 400-600 Amp
SQUARE D PADLOCK ATTACHMENT 9001-K5
Johnson Controls T-4000-2139 Thermostat Cover Beige
800T-PSD16 Allen Bradley Green Lens
NEW Hubbell HBL2310 2-Pole 3-Wire 20A 125VAC Twist-Lock Receptacle
SQUARE D 9001-KN201SP 9001KN201SP
Square D 9001T8RD PUSHBUTTON RED COLOR INSERT
Square D FHP MANUAL STARTER 2510F01
JOHNSON CONTROLS WALL BOX ADAPTER KIT FOR TEMPERATURE SENSOR MODEL TE-1800-9600
Square D General Purpose Power Relay 8501 CO6V29 NIB
NEW ARROW HART 6202 L5-20P 20 AMP 125V 2P 3W GROUNDING TWIST LOCKING PLUG
ALLEN-BRADLEY 595-A AUXILIARY CONTACT 595A SER.B
GE CR123C301A Overload Heater C301A
JOHNSON CONTROLS T4000-2139 *NEW*
ALLEN-BRADLEY 3/4" CONDUIT HUB CAT# 1490-N2 *NIB*
JOHNSON CONTROLS TE-6314P-1 WALL MOUNT TEMP SENSOR
New Square D 9999 Sx-7 Series B Electrical Interlock
Litbfuse Fuse Holder, LR25030-2CR
ALLEN-BRADLEY W71 HEATER ELEMENT
PASS & SEYMOUR L515-P TURNLOK PLUG 15A 125V
SPACE AGE ELECTRONICS SSU-PAM-SD
HUBBELL SWITCH GRAY 20A 120-277VAC HBL1221GY 1221GY
HUBBELL LOCK SWITCH HBL1221L 20A 120-277VAC 1221L
BUSS BC6033P
EATON Cutler Hammer - E22B1 - Contact Block Ser A1
hubbell twist lock 20a 250v Orange
hubbell twist lock 20a 250v
Leviton Nema L6-20 Twistlock Receptacle 20 Amp, 250 Volt
HART LOCK WALL RECEPTICLE 20A 250V NEMA L6-20
Leviton 70620FR Female Twist Lock Receptacle, NEMA L6-20R 20A 250V
New Hubbell twist lock plug15A 125V
SS1 Hubbell Stainless Steel 1 gang toggle switch wall plate