ABB 实时动态无功功率补偿器DYNACOMP技术资料
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ABB 实时动态无功功率补偿器DYNACOMP技术资料
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技术资料 实时动态无功功率补偿器
Technical Information
Reactive Power
Compensator
®
DYNACOMP
1SXF060004C2902 11-20082 DYNACOMP®
]V[
(cid:4323)(cid:1737)
(cid:3657)(cid:2392)(cid:33)(cid:85)(cid:106)(cid:110)(cid:102) [ms]
]A[
(cid:2881)(cid:1737)
Dynacomp®与电容器的机电切换比较
传统的电容器：机电式切换 Dynacomp®：顶级的动态补偿器
切换时的瞬变现象 切换时无瞬变现象
传统的电容组带有接触器，在需要无功功率的时候进行切换。但切换 Dynacomp®是以电子切换装置而非接触器安装的。在要求切换时无瞬变
瞬间的精确性经常变动并且难以控制。并产生强大的瞬变电流。干扰 现象的应用场合，它是最佳的选择。它不会干扰高敏感度的网络，也
网络，危及触头并增加电容器上的应力。电流峰值达到3640A，约为标 不会影响附近的设备。下图显示的是使用了Dynacomp®切换相同的无功
称峰值304A的12倍。 功率。电流峰值仅为304A，相当于标称峰值。
(cid:1737)(cid:4323)
(cid:1737)(cid:2881)
]V[
(cid:4323)(cid:1737)
(cid:3657)(cid:2392)(cid:33)(cid:85)(cid:106)(cid:110)(cid:102) [ms]
]A[
(cid:2881)(cid:1737)
(cid:1737)(cid:4323)
(cid:1737)(cid:2881)
使用接触器的转流电容柜切换的电流波形 使用Dynacomp®切换时的电流波形
反应时间长 反应时间快
传统的电容器使用机电方式切换，功率因数修正系统安装的是放电电 Dynacomp®强大的控制和它的切换原理让功率因素修正的动态反应时
阻。它是通过减少了电容器和电网之间的电压差，相应地减弱瞬变的 间少于80毫秒，电压降的补偿时间少于20毫秒。如果外加一个外部信
强度。而电容器放电需要数秒的时间，这就大大地限制了系统的反应 号，更可达到实时响应的效果。
时间，而且还不能抑制瞬变。
短暂的使用寿命 长久的使用寿命
接触器的使用寿命短，需要经常更换。这种系统需要花费大量的维护 使用无瞬变的切换(无电弧、无活动部件)方式、并结合自我治疗的电
精力。 容器，Dynacomp®可以保证非常长久的使用寿命，对切换的操作次数
没有任何限制。Dynacomp® VS Electromechanical
switching of capacitors
Electromechanical switching The Dynacomp®: the top-class dynamic
of capacitors compensator
Transients at switching Transient free switching
Conventional banks with contactors are switched on when reactive The Dynacomp®, fitted with electronic switches instead of contactors,
power is needed, but the precise instant of switching is variable is the perfect choice in applications where transient-free switching
and not controlled. This has the consequence that the switching of is required. It will not cause disturbances to sensitive networks or
the capacitors results in a big transient. This transient disturbs the neighbouring equipment. The figure below shows the switching of the
net, is dangerous for the contactors and increases the stress on the same step but with the static switch of the Dynacomp®. The current
capacitors. The disturbance created in the voltage waveform could reaches only 04 A peak, i.e. the nominal value.
perturb sensitive equipment. This is shown on the figure below, where
86 kvar are switched on by contactors. The current reaches 640 A
peak, approximately twelve times the nominal 04 A peak.
VOLTAGE VOLTAGE
CURRENT CURRENT
Current waveform when switching a conventional Current waveform when switching a Dynacomp®
bank with contactors (transient)
Slow response time Fast response time
Electromechanically switched power factor correction systems are The powerful control of the Dynacomp® and its switching concept
fitted with discharge resistors. This allows reducing the voltage allows dynamic response times less than 80ms for power factor
difference between the capacitors and the network and consequently correction, less than 20ms for voltage drops compensation and
the magnitude of the transients. Discharging the capacitors takes instantaneous if an external signal is available.
several seconds and tremendously limits the response time of such
system, without suppressing the transients. Long life
The transient free switching (with no electric arc, no moving parts)
combined with the self healing capacitors used in the Dynacomp®
Limited life
guarantees a very long life of the system without any limitation in the
Contactors have limited lifetimes and need to be replaced frequently.
number of switching operations.
Such systems also require important maintenance efforts.
DYNACOMP® 产品概述
Product Description
Dynacomp®: 原理 Dynacomp®: principle
Three phase
Dynacomp®基本上以电容和电抗组成，由功率电子 Dynacomp® circuit The Dynacomp® is basically a reactive power filter circuit (capacitors
操控。图中显示了三相Dynacomp®的简单线路图。 + reactors)switched on the network by solid state power
electronics, without any moving part. A three-phase Dynacomp®
Dynacomp®可为低压设备提供至少690 V的标称电
circuit is represented below. The Dynacomp® can compensate
压补偿。
low voltage equipment for nominal voltages up to at least 690V.
硅可控整流器会于电容电流的自然零交叉发动。因 The thyristors are fired at the natural zero crossing of the
capacitive current. As a result, capacitors are connected to the
此，电容于电网投切时不会产生瞬变。这控制只容
network without transients.
许完整的电流变换，所以Dynacomp®不会产生谐 The control is such that only complete alternations of the current
波。 are allowed. This insures that no harmonics are generated by the
Dynacomp®.
Dynacomp®: 优点 Dynacomp®: advantages
无瞬变切换 Transient free switching
快速切换(≤1周期) Fast switching (≤1 cycle)
可吸收谐波 Harmonics absorption
结合了电容器和无功功率控制器的技术 Combination of ABB Capacitors and Reactive
Power Control Technology
ABB半导体等级和现场经验 ABB semiconductor rating and field experience
ABB微处理器基于Dynacomp®控制器 ABB micro-processor based Dynacomp®
Controller
ISO 9001认证 ISO 9001 certification
ISO 14001认证 ISO 14001 certification
Dynacomp®: 说明 Dynacomp®: description
Dynacomp®包括电容器、电抗器、 The Dynacomp® consists in capacitors,
Technical Information
Reactive Power
Compensator
®
DYNACOMP
1SXF060004C2902 11-20082 DYNACOMP®
]V[
(cid:4323)(cid:1737)
(cid:3657)(cid:2392)(cid:33)(cid:85)(cid:106)(cid:110)(cid:102) [ms]
]A[
(cid:2881)(cid:1737)
Dynacomp®与电容器的机电切换比较
传统的电容器：机电式切换 Dynacomp®：顶级的动态补偿器
切换时的瞬变现象 切换时无瞬变现象
传统的电容组带有接触器，在需要无功功率的时候进行切换。但切换 Dynacomp®是以电子切换装置而非接触器安装的。在要求切换时无瞬变
瞬间的精确性经常变动并且难以控制。并产生强大的瞬变电流。干扰 现象的应用场合，它是最佳的选择。它不会干扰高敏感度的网络，也
网络，危及触头并增加电容器上的应力。电流峰值达到3640A，约为标 不会影响附近的设备。下图显示的是使用了Dynacomp®切换相同的无功
称峰值304A的12倍。 功率。电流峰值仅为304A，相当于标称峰值。
(cid:1737)(cid:4323)
(cid:1737)(cid:2881)
]V[
(cid:4323)(cid:1737)
(cid:3657)(cid:2392)(cid:33)(cid:85)(cid:106)(cid:110)(cid:102) [ms]
]A[
(cid:2881)(cid:1737)
(cid:1737)(cid:4323)
(cid:1737)(cid:2881)
使用接触器的转流电容柜切换的电流波形 使用Dynacomp®切换时的电流波形
反应时间长 反应时间快
传统的电容器使用机电方式切换，功率因数修正系统安装的是放电电 Dynacomp®强大的控制和它的切换原理让功率因素修正的动态反应时
阻。它是通过减少了电容器和电网之间的电压差，相应地减弱瞬变的 间少于80毫秒，电压降的补偿时间少于20毫秒。如果外加一个外部信
强度。而电容器放电需要数秒的时间，这就大大地限制了系统的反应 号，更可达到实时响应的效果。
时间，而且还不能抑制瞬变。
短暂的使用寿命 长久的使用寿命
接触器的使用寿命短，需要经常更换。这种系统需要花费大量的维护 使用无瞬变的切换(无电弧、无活动部件)方式、并结合自我治疗的电
精力。 容器，Dynacomp®可以保证非常长久的使用寿命，对切换的操作次数
没有任何限制。Dynacomp® VS Electromechanical
switching of capacitors
Electromechanical switching The Dynacomp®: the top-class dynamic
of capacitors compensator
Transients at switching Transient free switching
Conventional banks with contactors are switched on when reactive The Dynacomp®, fitted with electronic switches instead of contactors,
power is needed, but the precise instant of switching is variable is the perfect choice in applications where transient-free switching
and not controlled. This has the consequence that the switching of is required. It will not cause disturbances to sensitive networks or
the capacitors results in a big transient. This transient disturbs the neighbouring equipment. The figure below shows the switching of the
net, is dangerous for the contactors and increases the stress on the same step but with the static switch of the Dynacomp®. The current
capacitors. The disturbance created in the voltage waveform could reaches only 04 A peak, i.e. the nominal value.
perturb sensitive equipment. This is shown on the figure below, where
86 kvar are switched on by contactors. The current reaches 640 A
peak, approximately twelve times the nominal 04 A peak.
VOLTAGE VOLTAGE
CURRENT CURRENT
Current waveform when switching a conventional Current waveform when switching a Dynacomp®
bank with contactors (transient)
Slow response time Fast response time
Electromechanically switched power factor correction systems are The powerful control of the Dynacomp® and its switching concept
fitted with discharge resistors. This allows reducing the voltage allows dynamic response times less than 80ms for power factor
difference between the capacitors and the network and consequently correction, less than 20ms for voltage drops compensation and
the magnitude of the transients. Discharging the capacitors takes instantaneous if an external signal is available.
several seconds and tremendously limits the response time of such
system, without suppressing the transients. Long life
The transient free switching (with no electric arc, no moving parts)
combined with the self healing capacitors used in the Dynacomp®
Limited life
guarantees a very long life of the system without any limitation in the
Contactors have limited lifetimes and need to be replaced frequently.
number of switching operations.
Such systems also require important maintenance efforts.
DYNACOMP® 产品概述
Product Description
Dynacomp®: 原理 Dynacomp®: principle
Three phase
Dynacomp®基本上以电容和电抗组成，由功率电子 Dynacomp® circuit The Dynacomp® is basically a reactive power filter circuit (capacitors
操控。图中显示了三相Dynacomp®的简单线路图。 + reactors)switched on the network by solid state power
electronics, without any moving part. A three-phase Dynacomp®
Dynacomp®可为低压设备提供至少690 V的标称电
circuit is represented below. The Dynacomp® can compensate
压补偿。
low voltage equipment for nominal voltages up to at least 690V.
硅可控整流器会于电容电流的自然零交叉发动。因 The thyristors are fired at the natural zero crossing of the
capacitive current. As a result, capacitors are connected to the
此，电容于电网投切时不会产生瞬变。这控制只容
network without transients.
许完整的电流变换，所以Dynacomp®不会产生谐 The control is such that only complete alternations of the current
波。 are allowed. This insures that no harmonics are generated by the
Dynacomp®.
Dynacomp®: 优点 Dynacomp®: advantages
无瞬变切换 Transient free switching
快速切换(≤1周期) Fast switching (≤1 cycle)
可吸收谐波 Harmonics absorption
结合了电容器和无功功率控制器的技术 Combination of ABB Capacitors and Reactive
Power Control Technology
ABB半导体等级和现场经验 ABB semiconductor rating and field experience
ABB微处理器基于Dynacomp®控制器 ABB micro-processor based Dynacomp®
Controller
ISO 9001认证 ISO 9001 certification
ISO 14001认证 ISO 14001 certification
Dynacomp®: 说明 Dynacomp®: description
Dynacomp®包括电容器、电抗器、 The Dynacomp® consists in capacitors,
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