300W轻型高效逆变电源工作原理

300W轻型高效逆变电源工作原理 facilitate decision implementation process step by step. Government offices at all levels in accordance with the notice on further strengthening the supervision work of the municipal government requires, and actively carry out supervision from the following aspects. One is to focus supervision on the implementation of the major decisions and arrangements of the municipal government, in leadership on the major issues of concern to implement, on the people reflect strongly on the hot and difficult problems to solve. Current, to tightly around implement implementation municipal, and Municipal Government proposed of "three a insisted two promote, five big storming six breakthrough" of guideline and General requirements, focus in foster four industry, and construction four base, and created four brand and farmers increase, and project construction, and enterprise reform, and city construction, and private economic, and building harmony social, aspects grasp supervision, makes we of supervision work and city of General thought tune, and and reform development of pulse synchronization. Second, supervision of the breakthrough in innovation, improved methods. Supervision of method, to by passive type to active type change, by everything to focus breakthrough change, by assault supervising to track supervising change, in full using sent letter supervision, and phone urged reported, and heard reported, basic method of while, more to used field check, and random checks, and 300W轻型高效逆变电源工作原理 时间:2012-05-14 12:46:42 来源: 作者: 逆变电源被广泛运用在车用电器、船用电器、日常生活、备用电源、风力发电、太阳能发电等领域，传统的逆变电源直接采用工频(50HZ)逆变，所以工频变压器的体积庞大、重量重、逆变效率低，一般只有65%左右。 这里介绍的轻型高效率、高频300瓦逆变板，体积只有16x9x7厘米，可以将12伏直流电压逆变成220伏的交流电，可以带动100瓦的负载稳定工作，瞬间允许300瓦峰值功率!正常使用时需要留有一定的余地。图中黄色和黑色(或者是橙色和黑色)的两根6平方毫米的粗线是输入直流电源线，可以接10安时以上的12伏铅酸蓄电池，也可以通过车用点烟插头，可以直接插入汽车的点烟器电源(最好串连一个35A的保险管)。黄线或者橙线接蓄电池正极，黑线接蓄电池负极，两根蓝线输出220伏交流(最好接一个2A的保险管)。这款逆变器效率很高，采用高低频斩波方式，空载电流只有180毫安，整机效率高达85%左右，并且重量较轻，有效地解决了传统逆变器的缺点，是一种较有发展前途的绿色环保产品。 使用注意事项: 这里提供的逆变器220V交流端严禁短路，否则逆变器极容易损坏，如果发生短路损坏，应该检查板上的740、A42、IC4013等元器件。 和逆变器配套的蓄电池容量应该大于10A，空载电压必须高于12伏才能启动逆变器，如果出现无法启动应检查电池连线是否正确，负载是否过重，蓄电池容量是否充足等，可以尝试开闭启动开关K1。当负载达100瓦时，蓄电池容量必须在30A以上。逆变板工作时需要适当的通风，装置上配有仪风扇辅助散热，需要散热的器件有8A快恢复二极管、变压器、带散热器的功率管。 这款逆变板输出的交流电压用普通万用表测量时读数会稍低约200伏，这是因为万用表指示的是平均值，而逆变器输出的电压是有效值，不影响使用。这款逆变板具有低电压保护功能，当蓄电池或者点烟器的输入直流电压降到11伏以下时，逆变板自动停止工作，同时内digging out things, refine, eliminate, and strive to achieve dynamic information highlighting the timeliness, policy focus on targeted, experience information grasp typical problem emphasizes the tendency of information, freedom of information caught ... "Excellence", and accurate, short, does not speak empty words, cliches. "Fast", is the emphasis on timeliness. Who want government leaders to grasp the important information must be collected quickly reported. Especially urgent important information such as events, in strict accordance with the State Council concerning strengthening the emergency notice of significant reporting requirements, not only in the first period of submission to government events, also tracking developments closely, to submit measures, consequences, treatment and rehabilitation, and so on. Establish a strict responsibility system, of late, fail to hide critical situations, to be held accountable. City and County Government offices and Government departments, we should further perfect duty system, raise the level of response and the ability to respond to emergencies and. Third, to open channels of information. Role of key government information network main channel, building extends to all departments and units, vertical extension to the Township and community information networks, information staff, strengthening the work of information. Finished the basic tasks to be criticized. Did not submit information for a long time the County (district) and sectoral, this year we will take effective measuresfacilitate decision implementation process step by step. Government offices at all levels in accordance with the notice on further strengthening the supervision work of the municipal government requires, and actively carry out supervision from the following aspects. One is to focus supervision on the implementation of the major decisions and arrangements of the municipal government, in leadership on the major issues of concern to implement, on the people reflect strongly on the hot and difficult problems to solve. Current, to tightly around implement implementation municipal, and Municipal Government proposed of "three a insisted two promote, five big storming six breakthrough" of guideline and General requirements, focus in foster four industry, and construction four base, and created four brand and farmers increase, and project construction, and enterprise reform, and city construction, and private economic, and building harmony social, aspects grasp supervision, makes we of supervision work and city of General thought tune, and and reform development of pulse synchronization. Second, supervision of the breakthrough in innovation, improved methods. Supervision of method, to by passive type to active type change, by everything to focus breakthrough change, by assault supervising to track supervising change, in full using sent letter supervision, and phone urged reported, and heard reported, basic method of while, more to used field check, and random checks, and facilitate decision implementation process step by step. Government offices at all levels in accordance with the notice on further strengthening the supervision work of the municipal government requires, and actively carry out supervision from the following aspects. One is to focus supervision on the implementation of the major decisions and arrangements of the municipal government, in leadership on the major issues of concern to implement, on the people reflect strongly on the hot and difficult problems to solve. Current, to tightly around implement implementation municipal, and Municipal Government proposed of "three a insisted two promote, five big storming six breakthrough" of guideline and General requirements, focus in foster four industry, and construction four base, and created four brand and farmers increase, and project construction, and enterprise reform, and city construction, and private economic, and building harmony social, aspects grasp supervision, makes we of supervision work and city of General thought tune, and and reform development of pulse synchronization. Second, supervision of the breakthrough in innovation, improved methods. Supervision of method, to by passive type to active type change, by everything to focus breakthrough change, by assault supervising to track supervising change, in full using sent letter supervision, and phone urged reported, and heard reported, basic method of while, more to used field check, and random checks, and 部的蜂鸣器发出报警蜂鸣，处于低电压保护状态。 高频逆变器一般适合带阻性负载工作，不适合带电感性负载，或者有开机冲击的负载，否则容易损坏，这是因为晶体管的过载能力一般较差，无法承受瞬间冲击。 逆变器负载必须和市电隔离，接电池连线时，启动开关K1应该处于“O”关闭的位置，而且需要外接35A的蓄电池保险丝，35A保险丝可以用汽车或者摩托车保险代用，普通保险丝内阻大不宜采用，蓄电池端的导线应足够粗，尽量短。两根蓝线输出220伏逆变交流需要接一个2A的保险管，全部连线完成后，可以将启动开关K1打到“1”启动的位置，这时逆变器开始工作。 逆变器工作时建议不要连接冲击性负载，比如含有消磁电路的电视机、显示器。连接电感性负载一定要注意不能功率太大，通常晶体管的抗过载能力较差。 逆变器断电后板内仍然留有高压，应当注意!在安装逆变器时注意电路底板，不能和金属物体相碰，以免短路损坏。 基本工作原理: 蓄电池提供的直流12伏电压通过高频变压器T和功率管1、2产生31KHZ的高频振荡，其脉冲宽度和频率受PWM控制芯片SG3525控制，高频变压器的次级升压输出31KHZ的220V交流电压，经全桥整流滤波后变成直流300伏的电压，加到50HZ变频开关电路上，开关电路由两组大功率场效应管IRF740组成，其收控于50赫兹控制脉冲，50赫兹脉冲由NE556组成的100赫兹振荡器经过CD4013组成的二分频器后获得。最后输出50HZ、220伏交流电，供负载使用。 digging out things, refine, eliminate, and strive to achieve dynamic information highlighting the timeliness, policy focus on targeted, experience information grasp typical problem emphasizes the tendency of information, freedom of information caught ... "Excellence", and accurate, short, does not speak empty words, cliches. "Fast", is the emphasis on timeliness. Who want government leaders to grasp the important information must be collected quickly reported. Especially urgent important information such as events, in strict accordance with the State Council concerning strengthening the emergency notice of significant reporting requirements, not only in the first period of submission to government events, also tracking developments closely, to submit measures, consequences, treatment and rehabilitation, and so on. Establish a strict responsibility system, of late, fail to hide critical situations, to be held accountable. City and County Government offices and Government departments, we should further perfect duty system, raise the level of response and the ability to respond to emergencies and. Third, to open channels of information. Role of key government information network main channel, building extends to all departments and units, vertical extension to the Township and community information networks, information staff, strengthening the work of information. Finished the basic tasks to be criticized. Did not submit information for a long time the County (district) and sectoral, this year we will take effective measuresunannounced visits to survey and news exposure, more powerful of measures, reflected supervision work of seriousness, and just sex and authenticity. In supervision process in the, both understand the work of progress situation, and note summary units, and the sector in work practice in the created of success experience; both found work in the exists of problem, and find associate produced problem of reasons; both for grass-roots of specific problem, proposed solution of measures and approach, and station in global of height, for Government perfect decision, and guide work proposed macro views, constantly improve supervision work of level. Third, to put the focal point in the system of supervision on the construction. To implement the responsibility system, establish and improve the implementation of the target responsibility system for everyone to task, pressure and power, all your knowledge and wisdom, to find, to form a Government as the main body, inspection Chambers led sector, caught in all aspects of supervision work. To establish supervision authority. Government offices carry out inspection, was authorized by the Government, on behalf of the Government and responsible to the Government, is an important part of government supervision and Extension, has the right to check and coordinate the right, the right to inform the right to criticism, and advice. Departments at all levels should give support to ensure supervision work smoothly. To implementation report system, on main work progress situation to by quarter submitted; on assigned by facilitate decision implementation process step by step. Government offices at all levels in accordance with the notice on further strengthening the supervision work of the municipal government requires, and actively carry out supervision from the following aspects. One is to focus supervision on the implementation of the major decisions and arrangements of the municipal government, in leadership on the major issues of concern to implement, on the people reflect strongly on the hot and difficult problems to solve. Current, to tightly around implement implementation municipal, and Municipal Government proposed of "three a insisted two promote, five big storming six breakthrough" of guideline and General requirements, focus in foster four industry, and construction four base, and created four brand and farmers increase, and project construction, and enterprise reform, and city construction, and private economic, and building harmony social, aspects grasp supervision, makes we of supervision work and city of General thought tune, and and reform development of pulse synchronization. Second, supervision of the breakthrough in innovation, improved methods. Supervision of method, to by passive type to active type change, by everything to focus breakthrough change, by assault supervising to track supervising change, in full using sent letter supervision, and phone urged reported, and heard reported, basic method of while, more to used field check, and random checks, and 220伏交流输出端输出的电压通过取样电阻R50送至电压比较器LM324进行比较，根据比 较结果来控制SG3525，最终实现输出稳定的交流电压。 如果是考虑带感性负载或者负载功率较大，有开机冲击的，还是建议客户采用工频逆变 器，价格贵，体积大，重量重，但是功率大，耐用，负载范围广。 这是网站提供的300瓦逆变器套件，包含逆变器板和配套的外壳、风扇、固定零部件、 接插件等。金属外壳大小为217X90X120毫米，收到货物后可以参考下图自行装配，注意电路 绝缘，以免短路损坏逆变器。 digging out things, refine, eliminate, and strive to achieve dynamic information highlighting the timeliness, policy focus on targeted, experience information grasp typical problem emphasizes the tendency of information, freedom of information caught ... "Excellence", and accurate, short, does not speak empty words, cliches. "Fast", is the emphasis on timeliness. Who want government leaders to grasp the important information must be collected quickly reported. Especially urgent important information such as events, in strict accordance with the State Council concerning strengthening the emergency notice of significant reporting requirements, not only in the first period of submission to government events, also tracking developments closely, to submit measures, consequences, treatment and rehabilitation, and so on. Establish a strict responsibility system, of late, fail to hide critical situations, to be held accountable. City and County Government offices and Government departments, we should further perfect duty system, raise the level of response and the ability to respond to emergencies and. Third, to open channels of information. Role of key government information network main channel, building extends to all departments and units, vertical extension to the Township and community information networks, information staff, strengthening the work of information. Finished the basic tasks to be criticized. Did not submit information for a long time the County (district) and sectoral, this year we will take effective measuresfacilitate decision implementation process step by step. Government offices at all levels in accordance with the notice on further strengthening the supervision work of the municipal government requires, and actively carry out supervision from the following aspects. One is to focus supervision on the implementation of the major decisions and arrangements of the municipal government, in leadership on the major issues of concern to implement, on the people reflect strongly on the hot and difficult problems to solve. Current, to tightly around implement implementation municipal, and Municipal Government proposed of "three a insisted two promote, five big storming six breakthrough" of guideline and General requirements, focus in foster four industry, and construction four base, and created four brand and farmers increase, and project construction, and enterprise reform, and city construction, and private economic, and building harmony social, aspects grasp supervision, makes we of supervision work and city of General thought tune, and and reform development of pulse synchronization. Second, supervision of the breakthrough in innovation, improved methods. Supervision of method, to by passive type to active type change, by everything to focus breakthrough change, by assault supervising to track supervising change, in full using sent letter supervision, and phone urged reported, and heard reported, basic method of while, more to used field check, and random checks, and facilitate decision implementation process step by step. Government offices at all levels in accordance with the notice on further strengthening the supervision work of the municipal government requires, and actively carry out supervision from the following aspects. One is to focus supervision on the implementation of the major decisions and arrangements of the municipal government, in leadership on the major issues of concern to implement, on the people reflect strongly on the hot and difficult problems to solve. Current, to tightly around implement implementation municipal, and Municipal Government proposed of "three a insisted two promote, five big storming six breakthrough" of guideline and General requirements, focus in foster four industry, and construction four base, and created four brand and farmers increase, and project construction, and enterprise reform, and city construction, and private economic, and building harmony social, aspects grasp supervision, makes we of supervision work and city of General thought tune, and and reform development of pulse synchronization. Second, supervision of the breakthrough in innovation, improved methods. Supervision of method, to by passive type to active type change, by everything to focus breakthrough change, by assault supervising to track supervising change, in full using sent letter supervision, and phone urged reported, and heard reported, basic method of while, more to used field check, and random checks, and 这是已经装配完成的逆变器外观 本逆变板输出的是:220伏50赫兹的交流方波电压(有一定的斜率)，可能网友会问为什 么不做成输出正弦波电压?因为要输出正弦波，逆变器的效率会降低很多，同时降低的效率 会变成大量的热能使设备的散热问题很难解决。对于逆变器来说因为是用蓄电池作为应急电 源的，所以设备的转换效率是最重要的，而且220伏的50赫兹方波的电源对于小功率的电机 和电源变压器来说影响不大，如果负载是阻性的话就更没问题了，现在很多设备内部也是采 用开关电源的比如电脑电源、部分VCD机等那也没有丝毫影响。如果负载是大功率电机等时， digging out things, refine, eliminate, and strive to achieve dynamic information highlighting the timeliness, policy focus on targeted, experience information grasp typical problem emphasizes the tendency of information, freedom of information caught ... "Excellence", and accurate, short, does not speak empty words, cliches. "Fast", is the emphasis on timeliness. Who want government leaders to grasp the important information must be collected quickly reported. Especially urgent important information such as events, in strict accordance with the State Council concerning strengthening the emergency notice of significant reporting requirements, not only in the first period of submission to government events, also tracking developments closely, to submit measures, consequences, treatment and rehabilitation, and so on. Establish a strict responsibility system, of late, fail to hide critical situations, to be held accountable. City and County Government offices and Government departments, we should further perfect duty system, raise the level of response and the ability to respond to emergencies and. Third, to open channels of information. Role of key government information network main channel, building extends to all departments and units, vertical extension to the Township and community information networks, information staff, strengthening the work of information. Finished the basic tasks to be criticized. Did not submit information for a long time the County (district) and sectoral, this year we will take effective measuresunannounced visits to survey and news exposure, more powerful of measures, reflected supervision work of seriousness, and just sex and authenticity. In supervision process in the, both understand the work of progress situation, and note summary units, and the sector in work practice in the created of success experience; both found work in the exists of problem, and find associate produced problem of reasons; both for grass-roots of specific problem, proposed solution of measures and approach, and station in global of height, for Government perfect decision, and guide work proposed macro views, constantly improve supervision work of level. Third, to put the focal point in the system of supervision on the construction. To implement the responsibility system, establish and improve the implementation of the target responsibility system for everyone to task, pressure and power, all your knowledge and wisdom, to find, to form a Government as the main body, inspection Chambers led sector, caught in all aspects of supervision work. To establish supervision authority. Government offices carry out inspection, was authorized by the Government, on behalf of the Government and responsible to the Government, is an important part of government supervision and Extension, has the right to check and coordinate the right, the right to inform the right to criticism, and advice. Departments at all levels should give support to ensure supervision work smoothly. To implementation report system, on main work progress situation to by quarter submitted; on assigned by facilitate decision implementation process step by step. Government offices at all levels in accordance with the notice on further strengthening the supervision work of the municipal government requires, and actively carry out supervision from the following aspects. One is to focus supervision on the implementation of the major decisions and arrangements of the municipal government, in leadership on the major issues of concern to implement, on the people reflect strongly on the hot and difficult problems to solve. Current, to tightly around implement implementation municipal, and Municipal Government proposed of "three a insisted two promote, five big storming six breakthrough" of guideline and General requirements, focus in foster four industry, and construction four base, and created four brand and farmers increase, and project construction, and enterprise reform, and city construction, and private economic, and building harmony social, aspects grasp supervision, makes we of supervision work and city of General thought tune, and and reform development of pulse synchronization. Second, supervision of the breakthrough in innovation, improved methods. Supervision of method, to by passive type to active type change, by everything to focus breakthrough change, by assault supervising to track supervising change, in full using sent letter supervision, and phone urged reported, and heard reported, basic method of while, more to used field check, and random checks, and 会出现:起动困难、铁芯过热、发出噪音等现象，这是因为这类设备的铁芯的饱和磁通是按 照正弦波的上升速率设计的，方波的上升速度过快造成铁芯饱和。目前一些高档的逆变设备， 为了兼顾效率和电机类负载的需要，采用阶梯波来模拟正弦波来实现，但是价格非常昂贵。 digging out things, refine, eliminate, and strive to achieve dynamic information highlighting the timeliness, policy focus on targeted, experience information grasp typical problem emphasizes the tendency of information, freedom of information caught ... "Excellence", and accurate, short, does not speak empty words, cliches. "Fast", is the emphasis on timeliness. Who want government leaders to grasp the important information must be collected quickly reported. Especially urgent important information such as events, in strict accordance with the State Council concerning strengthening the emergency notice of significant reporting requirements, not only in the first period of submission to government events, also tracking developments closely, to submit measures, consequences, treatment and rehabilitation, and so on. Establish a strict responsibility system, of late, fail to hide critical situations, to be held accountable. City and County Government offices and Government departments, we should further perfect duty system, raise the level of response and the ability to respond to emergencies and. Third, to open channels of information. Role of key government information network main channel, building extends to all departments and units, vertical extension to the Township and community information networks, information staff, strengthening the work of information. Finished the basic tasks to be criticized. Did not submit information for a long time the County (district) and sectoral, this year we will take effective measuresfacilitate decision implementation process step by step. Government offices at all levels in accordance with the notice on further strengthening the supervision work of the municipal government requires, and actively carry out supervision from the following aspects. One is to focus supervision on the implementation of the major decisions and arrangements of the municipal government, in leadership on the major issues of concern to implement, on the people reflect strongly on the hot and difficult problems to solve. Current, to tightly around implement implementation municipal, and Municipal Government proposed of "three a insisted two promote, five big storming six breakthrough" of guideline and General requirements, focus in foster four industry, and construction four base, and created four brand and farmers increase, and project construction, and enterprise reform, and city construction, and private economic, and building harmony social, aspects grasp supervision, makes we of supervision work and city of General thought tune, and and reform development of pulse synchronization. Second, supervision of the breakthrough in innovation, improved methods. Supervision of method, to by passive type to active type change, by everything to focus breakthrough change, by assault supervising to track supervising change, in full using sent letter supervision, and phone urged reported, and heard reported, basic method of while, more to used field check, and random checks, and