WO2016101642A1 - 空调系统 - Google Patents

空调系统 Download PDF

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Publication number
WO2016101642A1
WO2016101642A1 PCT/CN2015/087841 CN2015087841W WO2016101642A1 WO 2016101642 A1 WO2016101642 A1 WO 2016101642A1 CN 2015087841 W CN2015087841 W CN 2015087841W WO 2016101642 A1 WO2016101642 A1 WO 2016101642A1
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WIPO (PCT)
Prior art keywords
air conditioning
conditioning system
fan
compressor
converter
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Ceased
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PCT/CN2015/087841
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English (en)
French (fr)
Inventor
赵志刚
张雪芬
任鹏
陈颖
蒋世用
刘克勤
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Publication of WO2016101642A1 publication Critical patent/WO2016101642A1/zh
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0096—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater combined with domestic apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F24F2005/0064—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F24F2005/0064—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy
    • F24F2005/0067—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy with photovoltaic panels

Definitions

  • the present application relates to the field of air conditioning, and in particular to an air conditioning system.
  • the present invention aims to provide an air conditioning system that can be more energy efficient.
  • the present invention provides an air conditioning system comprising at least one fan and at least one compressor, the air conditioning system further comprising a DC bus, and at least one fan converter and at least one connected in one-to-one correspondence with the at least one fan At least one compressor converter connected to the compressor one at a time, at least one fan converter and at least one compressor converter are connected to the DC bus; wherein at least one fan converter has a drive The inverter's inverter state and the rectification state of the recovered fan's power generation.
  • the air conditioning system of the present invention by providing a fan converter corresponding to the fan, when the air conditioning system is working, the fan converter operates in an inverting state, and the fan is driven to dissipate heat to the air conditioning system.
  • the fan When the air conditioning system is stopped, the fan is In the case of wind driven power generation, the fan converter operates in a rectified state to recover electrical energy. That is, when the air conditioning system is not working, the fan becomes a generator, which makes the air conditioning system more energy efficient.
  • FIG. 1 is a schematic view showing the principle of a first embodiment of an air conditioning system according to the present application
  • FIG. 2 is a schematic diagram showing the principle of a second embodiment of an air conditioning system according to the present application.
  • FIG. 3 is a schematic diagram showing the principle of a third embodiment of an air conditioning system according to the present application.
  • FIG. 4 is a schematic diagram showing the principle of a fourth embodiment of an air conditioning system according to the present application.
  • Figure 5 is a schematic diagram showing the principle of a fifth embodiment of the air conditioning system according to the present application.
  • Figure 6 is a schematic view showing the principle of a sixth embodiment of the air conditioning system according to the present application.
  • a first embodiment of an air conditioning system includes a fan 10 and a compressor 20.
  • the air conditioning system further includes a DC bus, and a fan converter 30 correspondingly connected to the fan 10.
  • a compressor inverter 40 correspondingly connected to the compressor 20
  • the fan converter 30 and the compressor inverter 40 are connected to the DC bus
  • the compressor inverter 40 drives the compressor to convert the air conditioner system.
  • the frequency conversion runs.
  • the fan converter 30 has an inverter state for driving the fan 10 and a rectification state for recovering the power generated by the fan 10. That is, when the air conditioning system is in operation, the fan inverter 30 operates in an inverting state, and the fan 10 is driven to dissipate heat to the air conditioning system.
  • the fan inverter 30 When the air conditioning system is stopped, in the case where the fan 10 is driven by the wind to generate electricity, the fan inverter 30 operates. Rectified state to recover electrical energy. That is, when the air conditioning system is not working, the fan becomes a generator, which makes the air conditioning system more energy efficient.
  • the air conditioning system further includes a grid-connected inverter 50, and the first end of the grid-connected inverter 50 is connected to the grid 60, and the grid-connected inverter 50 is The two ends are connected to both the compressor inverter 40 and the fan converter 30. That is, the electric energy generated by the fan 10 can be transmitted to the power grid through the grid-connected inverter 50.
  • the air conditioning system further includes an isolation transformer 70, which is connected in series between the power grid 60 and the grid-connected inverter 50, and the series isolation transformer 70 can improve the air conditioning system. Safety can also prevent interference.
  • Grid-connected inverter 50 is four
  • the quadrant converter, the fan inverter 30 and the compressor inverter 40 may employ a four-quadrant inverter or a conventional inverter.
  • the air conditioning system of the first embodiment may further include a hybrid energy source 80 that is coupled to the DC bus.
  • a hybrid energy source 80 that is coupled to the DC bus.
  • an inverter corresponding to the hybrid energy source 80 can be provided, ie the hybrid energy source 80 is connected to the DC bus via a corresponding converter.
  • Hybrid energy 80 includes, but is not limited to, at least two combinations of clean energy such as photovoltaic, photothermal, wind, tidal, geothermal, and biomass energy.
  • the use of two or more energy sources simultaneously can eliminate the single energy caused by the use environment. Limitations, thereby increasing the likelihood of energy self-sufficiency in air conditioning system applications. That is to say, two or more new energy sources are connected in the DC bus, and the energy of the air conditioning system is ensured to be self-sufficient and not available from the commercial power.
  • the air conditioning system of the first embodiment may further include an energy storage unit 90, and the energy storage unit 90 is connected to the DC bus through a corresponding inverter, thereby recovering energy and supplying power, and setting the storage.
  • the energy unit 90 can classify and recover the electrical energy generated by the fan 10 to generate electricity.
  • the air conditioning system may include at least one fan (10) and at least one compressor (20) and a DC bus, in the air conditioning system, at least one fan (10)
  • Each fan (10) is connected to a fan converter (30)
  • each compressor (20) of at least one compressor (20) is connected to a compressor converter (40), wherein, at least A fan converter (30) has an inverter state for driving the fan (10) and a rectification state for recovering the power generated by the fan (10), and the at least one fan converter (30) and at least one compressor are commutated.
  • the devices (40) are all connected to the DC bus.
  • control for the hybrid energy source 80 is as follows:
  • the air conditioner can be powered only by the hybrid energy source.
  • the energy of the hybrid energy source 80 is greater than the air conditioning load demand, it can be controlled as follows:
  • the excess energy of the hybrid energy source 80 first charges the energy storage unit 90, and then the grid is connected to generate electricity when there is still a surplus;
  • the system includes an energy storage unit 90, and the energy storage unit 90 can also operate according to the set control logic associated with the power grid 60.
  • the system includes the energy storage unit 90, and the charge of the energy storage unit 90 is rich, it is first supplemented by the energy storage unit 90; if the air conditioning demand is still not met, it is supplemented by the commercial power;
  • the energy storage unit 90 can also operate according to the set control logic associated with the power grid.
  • the energy of the hybrid energy source 80 is all connected to the grid for power generation, and the power generated by the fan 10 is recovered according to the following conditions:
  • the power generated by the fan 10 is connected to the grid through a certain boosting measure or PAWM interlaced modulation.
  • the fan 10 When the energy storage unit 90 is included, the fan 10 generates electric energy for classification and recovery:
  • the grid-connected inverter 50 and the isolating transformer 70 are connected to the grid for use by other loads in the network;
  • the energy storage unit when the power grid runs at a peak or needs support, and the energy storage unit has more than 90 power, it can respond according to the power grid dispatching, perform peak-peak peak-shaving operation, and provide certain guarantee for grid security.
  • the recovery problem of the small electric power generated by the air conditioner system fan 10 can be effectively solved, and the diversity of the power supply of the air conditioning system is taken into consideration, so that the air conditioning system is self-sufficient as much as possible, and the power is not taken from the commercial power; the integration of the energy storage unit 90, It can effectively improve the power generation recovery rate and direct utilization rate of the wind turbine 10, and at the same time provide a certain positive effect on the power grid.
  • the retracting machine 20 adopts a mode similar to that of the first embodiment, correspondingly, the fan converter 30, the grid-connected inverter 50, the hybrid energy source 80, the energy storage unit 90, and the like, first adopts the hybrid energy source 80, and recovers the air-conditioning system.
  • the wind turbine 10 When not working, the wind turbine 10 generates electricity, so that the air conditioning system is as self-sufficient as possible and does not consume utility power.
  • the dual-fan air-conditioning system (two fans 10 and one compressor 20) also adopts a mode similar to that of the first embodiment, correspondingly setting the fan converter 30, and switching the grid.
  • the device 50, the hybrid energy source 80, the energy storage unit 90 and the like first adopt the hybrid energy source 80, and recover the electric energy generated by the fan 10 when the air conditioning system is not working, so that the air conditioning system is self-sufficient as much as possible, and does not consume the commercial power.
  • a multi-air air conditioning system of the fourth embodiment shown in FIG. 4 or the multi-fan air conditioning system of the fifth embodiment shown in FIG. 5, and the sixth embodiment shown in FIG. A method similar to that of the first embodiment can be adopted in the air conditioning system of the fan, so that the air conditioning system is self-sufficient as much as possible without consuming mains.
  • the air conditioning system of the present application by setting a fan converter corresponding to the fan, when the air conditioning system is working, the fan converter operates in an inverting state, and the fan is driven to dissipate heat to the air conditioning system.
  • the fan When the air conditioning system is stopped, the fan is In the case of wind driven power generation, the fan converter operates in a rectified state to recover electrical energy. That is, when the air conditioning system is not working, the fan becomes a generator, which makes the air conditioning system more energy efficient.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sustainable Energy (AREA)
  • Control Of Multiple Motors (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

一种空调系统，包括至少一台风机（10）和至少一台压缩机（20），还包括直流母线，以及与至少一台风机（10）一一对应连接的至少一台风机换流器（30）和与至少一台压缩机（20）一一对应连接的至少一台压缩机换流器（40），至少一台风机换流器（30）和至少一台压缩机换流器（40）均与直流母线连接；其中，至少一台风机换流器（30）具有驱动风机（10）的逆变状态和回收风机（10）发电电能的整流状态。在空调系统工作时，风机换流器（30）工作在逆变状态，驱动风机（10）对空调系统散热；当空调系统停止时，在风机（10）被风驱动发电的情况下，风机换流器（30）工作在整流状态，从而回收电能。

Description

空调系统 技术领域
本申请涉及空调领域，具体而言，涉及一种空调系统。
背景技术
越来越强烈的环保节能需求，使得无论是家用空调还是商用空调的发展也逐步向变频方向发展。目前，永磁同步风机(即叶轮通过永磁同步电机驱动的风机)已广泛应用于空调器中。针对永磁同步机反向发电的特性，往往需要对空调器的风机进行反向制动控制(软件控制或硬件机械控制)。从而避免空调的室外机中永磁同步风机反转发电带来的电机烧毁的风险，然而设置反向制动控制也导致空调器的故障点增加；另外，风机反转发电产生的能量没有有效回收利用，导致能源浪费。
发明内容
本发明旨在提供一种能够更节能的空调系统。
本发明提供了一种空调系统，包括至少一台风机和至少一台压缩机，空调系统还包括直流母线，以及与至少一台风机一一对应连接的至少一台风机换流器和与至少一台压缩机一一对应连接的至少一台压缩机换流器，至少一台风机换流器和至少一台压缩机换流器均与直流母线连接；其中，至少一台风机换流器具有驱动风机的逆变状态和回收风机发电电能的整流状态。
根据本发明的空调系统，通过设置与风机对应的风机换流器，在空调系统工作时，风机换流器工作在逆变状态，驱动风机对空调系统散热，当空调系统停止时，在风机被风驱动发电的情况下，风机换流器工作在整流状态，从而回收电能。即空调系统不工作时，风机成为一台发电机，从而使得空调系统更节能。
附图说明
构成本申请的一部分的附图用来提供对本申请的进一步理解，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限 定。在附图中：
图1是根据本申请的空调系统的第一实施例原理示意图；
图2是根据本申请的空调系统的第二实施例原理示意图；
图3是根据本申请的空调系统的第三实施例原理示意图；
图4是根据本申请的空调系统的第四实施例原理示意图；
图5是根据本申请的空调系统的第五实施例原理示意图；以及
图6是根据本申请的空调系统的第六实施例原理示意图；
附图标记说明：
10、风机；20、压缩机；30、风机换流器；40、压缩机换流器；50、并网换流器；60、电网；70、隔离变压器；80、混合能源；90、储能单元。
具体实施方式
下面将参考附图并结合实施例来详细说明本申请。
如图1所示，根据本申请的空调系统第一实施例，包括一台风机10和一台压缩机20，空调系统还包括直流母线，以及与风机10对应连接的一台风机换流器30和与压缩机20对应连接的一台压缩机换流器40，风机换流器30和压缩机换流器40均与直流母线连接，压缩机换流器40驱动压缩机变频，从而实施空调系统的变频运行。在该实施例中，风机换流器30具有驱动风机10的逆变状态和回收风机10发电电能的整流状态。即在空调系统工作时，风机换流器30工作在逆变状态，驱动风机10对空调系统散热，当空调系统停止时，在风机10被风驱动发电的情况下，风机换流器30工作在整流状态，从而回收电能。即空调系统不工作时，风机成为一台发电机，从而使得空调系统更节能。
进一步地，如图1所示，在第一实施例中，空调系统还包括并网换流器50，并网换流器50的第一端与电网60连接，并网换流器50的第二端与压缩机换流器40和风机换流器30均连接。即可以通过并网换流器50将风机10发电的电能输送到电网上。
优选地，如图1所示，在第一实施例中，空调系统还包括隔离变压器70，隔离变压器70串联在电网60与并网换流器50之间，串联隔离变压器70能够提高空调系统的安全性，也能够防止干扰。并网换流器50为四 象限换流器，风机换流器30和压缩机换流器40可以采用四象限换流器，也可以采用常规换流器。
优选地，结合图1所示，第一实施例的空调系统还可以包括混合能源80，混合能源80与直流母线连接。根据实际情况或控制能力，可以设置与混合能源80对应的换流器，即混合能源80通过相应的换流器与直流母线连接。混合能源80包括但不限于光伏、光热、风能、潮汐、地热和生物质能等清洁能源中的至少两种组合，采用两种以上能源同时使用，能够解除单一能源因使用环境等原因所造成的限制，从而提高空调系统应用时能源的自给自足的可能性。即在直流母线处并接两种或多种新能源，实现空调系统能量尽量保证自给自足而不从市电索取。
优选地，如图1所示，第一实施例的空调系统还可以包括储能单元90，储能单元90通过相应的换流器与直流母线连接，从而对能量回收，并供电，而且设置储能单元90可以将风机10发电产生的电能进行分级回收。
需要说明的是，本申请提供的实施例中，空调系统可以包括至少一台风机(10)和至少一台压缩机(20)以及直流母线，在空调系统中，至少一台风机(10)中的每台风机(10)连接一台风机换流器(30)，至少一台压缩机(20)中的每台压缩机(20)连接一台压缩机换流器(40)，其中，至少一台风机换流器(30)具有驱动风机(10)的逆变状态和回收风机(10)发电电能的整流状态，上述至少一台风机换流器(30)和至少一台压缩机换流器(40)均与直流母线连接。
结合图1所示的第一实施例来说明本申请的空调系统的工作原理和控制过程，当空调系统工作时，针对混合能源80的控制如下：
1、如果混合能源80的能量与空调负载需求匹配时，可以仅采用混合能源为空调供电。
2、如果混合能源80能量大于空调负载需求时，可以采用如下方式控制：
(1)如果系统不包含储能单元90，混合能源80多余能量并网发电；
(2)如果系统包含储能单元90且储能单元90电荷不足需要充电时，混合能源80多余电量首先对储能单元90进行充电，仍有富余时再并网发电；
(3)系统包含储能单元90，储能单元90也可以根据设定的与电网60联动的控制逻辑进行动作。
3、如果混合能源80能量小于空调负载能量时：
(1)如果系统不包含储能单元90，混合能源80不足部分由市电补充；
(2)如果系统包含储能单元90，且储能单元90的电荷富足时，首先由储能单元90进行补充；如仍不满足空调需求，再由市电进行补充；
(3)如果系统包含储能单元90，储能单元90也可以根据设定的与电网联动的控制逻辑进行动作。
当空调系统制动或不工作时，混合能源80能量全部进行并网发电，风机10发电电能根据以下情况回收：
1、如果不包含储能单元90时，风机10发电电能通过一定的升压措施或PAWM交错调制等方式进行并网。
2、包含储能单元90时，风机10发电电能进行分级回收：
(1)当风机反转能量小于某一设定阈值时，该能量可以通过储能单元90对应的DC/DC换流器，对储能单元90进行充电，将风机10发电电能通过储存的方式进行回收；
(2)当风机10发电电能达到并网条件时，通过并网换流器50、隔离变压器70(该变压器视电能质量可选择安装)进行并网，供给网内其他负载使用；
(3)当风机10发电电能接近并网条件时，通过一定的升压方式或PAWM交错调制技术等对该能量进行回收并网。
另外，当电网高峰运行或需要支持，同时储能单元90余电充足时，可根据电网调度进行响应，进行错峰调峰运行，为电网安全提供一定的保障。
通过上述控制方式，可以有效解决空调系统风机10发电电能较小的回收问题，兼顾空调系统供电的多样性，使空调系统尽量实现自给自足，不从市电取电；储能单元90的集成，能够有效提高风机10发电电能回收率及直接利用率，同时对电网提供一定的积极作用。
如图2所示的第二实施例中，一拖二空调系统(一台风机10、两台压 缩机20)采用类似于第一实施例的方式，对应设置风机换流器30、并网换流器50、混合能源80、储能单元90等装置，首先采用混合能源80，并回收空调系统不工作时，风机10发电的电能，从而使得空调系统尽可能地自给自足，不消耗市电。
如图3所示的第三实施例中，双风机空调系统(两台风机10、一台压缩机20)也采用类似于第一实施例的方式，对应设置风机换流器30、并网换流器50、混合能源80、储能单元90等装置，首先采用混合能源80，并回收空调系统不工作时，风机10发电的电能，从而使得空调系统尽可能地自给自足，不消耗市电。
如图4所示的第四实施例的一拖多空调系统或者如图5所示的第五实施例的多风机空调系统，以及图6所示第六实施例中一拖多并有多台风机的空调系统中均可以采用类似于第一实施例的方式，使得空调系统尽可能地自给自足，不消耗市电。
从以上的描述中，可以看出，本申请上述的实施例实现了如下技术效果：
根据本申请的空调系统，通过设置与风机对应的风机换流器，在空调系统工作时，风机换流器工作在逆变状态，驱动风机对空调系统散热，当空调系统停止时，在风机被风驱动发电的情况下，风机换流器工作在整流状态，从而回收电能。即空调系统不工作时，风机成为一台发电机，从而使得空调系统更节能。
以上所述仅为本申请的优选实施例而已，并不用于限制本申请，对于本领域的技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (17)

  1. 一种空调系统，包括至少一台风机(10)和至少一台压缩机(20)，其特征在于，所述空调系统还包括直流母线，以及与所述至少一台风机(10)一一对应连接的至少一台风机换流器(30)和与所述至少一台压缩机(20)一一对应连接的至少一台压缩机换流器(40)，所述至少一台风机换流器(30)和所述至少一台压缩机换流器(40)均与所述直流母线连接；
    其中，所述至少一台风机换流器(30)具有驱动所述风机(10)的逆变状态和回收所述风机(10)发电电能的整流状态。
  2. 根据权利要求1所述的空调系统，其特征在于，在所述空调系统处于工作状态的情况下，所述至少一台风机换流器(30)处于逆变状态。
  3. 根据权利要求1所述的空调系统，其特征在于，在所述至少一台风机(10)处于非工作状态且所述至少一台风机(10)被驱动发电的情况下，所述至少一台风机换流器(30)处于整流状态。
  4. 根据权利要求1所述的空调系统，其特征在于，
    所述空调系统还包括混合能源(80)，所述混合能源(80)与所述直流母线连接；其中，所述混合能源(80)包括光伏、光热、风能、潮汐、地热和生物质能中的至少两种组合。
  5. 根据权利要求4所述的空调系统，其特征在于，
    所述混合能源(80)通过相应的换流器与所述直流母线连接。
  6. 根据权利要求5所述的空调系统，其特征在于，在所述混合能源(80)的能量与所述空调系统的负载所需能量相同的情况下，所述混合能源(80)通过所述直流母线向所述空调系统供电。
  7. 根据权利要求6所述的空调系统，其特征在于，在所述混合能源(80)的能量大于所述空调系统的负载所需能量情况下，所述混合能源(80)通过所述直流母线向电网(60)供电。
  8. 根据权利要求7所述的空调系统，其特征在于，
    所述空调系统还包括储能单元(90)，所述储能单元通过相应的换流器与所述直流母线连接。
  9. 根据权利要求8所述的空调系统，其特征在于，
    所述空调系统还包括并网换流器(50)，所述并网换流器(50)的第一端与电网(60)连接，所述并网换流器(50)的第二端与所述直流母线连接。
  10. 根据权利要求9所述的空调系统，其特征在于，
    所述空调系统还包括隔离变压器(70)，所述隔离变压器(70)串联在所述电网(60)与所述并网换流器(50)之间。
  11. 根据权利要求9或10所述的空调系统，其特征在于，
    所述并网换流器(50)为四象限换流器。
  12. 根据权利要求1所述的空调系统，其特征在于，
    所述至少一台风机换流器(30)为四象限换流器。
  13. 根据权利要求1所述的空调系统，其特征在于，
    所述至少一台压缩机换流器(40)为四象限换流器。
  14. 根据权利要求1所述的空调系统，其特征在于，
    所述空调系统包括一台压缩机(20)和多台风机(10)。
  15. 根据权利要求1所述的空调系统，其特征在于，
    所述空调系统包括多台压缩机(20)和一台风机(10)。
  16. 根据权利要求1所述的空调系统，其特征在于，
    所述空调系统包括多台压缩机(20)和多台风机(10)。
  17. 一种空调系统，包括至少一台风机(10)和至少一台压缩机(20)，其特征在于，在所述空调系统中，所述至少一台风机(10)中的每台风机(10)连接一台风机换流器(30)，所述至少一台压缩机(20)中的每台压缩机(20)连接一台压缩机换流器(40)，其中，所述至少一台风机换流器(30)具有驱动所述风机(10)的逆变状态和回收所述风机(10)发电电能的整流状态，所述至少一台风机换流器(30)和所述至少一台压缩机换流器(40)均与直流母线连接。
PCT/CN2015/087841 2014-12-26 2015-08-21 空调系统 Ceased WO2016101642A1 (zh)

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