A method for protecting a transformer, a capacity controller and a protection system
A capacitor controller and transformer technology, applied in emergency protection circuit devices, instruments, measuring electrical variables, etc., can solve the problems of poor power distribution system stability, transformer loss, instantaneous current increase, etc. Stable effect
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Embodiment 1
[0050] Embodiment 1 of the present application provides a transformer protection method, which is applied to a capacitor controller, such as figure 1 As shown, it specifically includes the following steps:
[0051] Step 110, pre-set the rated current value and preset overrun recovery value for each phase of AC in the capacity controller;
[0052] Preferably, in the three-phase power of the capacitive controller, a corresponding rated current value is set for each phase of the alternating current; in addition, in order to ensure the safety of the transformer, it also includes setting the maximum current value for each phase of the alternating current of the capacitive controller in advance, The maximum current value is 10% smaller than the maximum value of the transformer; the maximum current value is set to a, the rated current value is m, the preset detection interval is set to 1 hour, and the preset over-limit recovery value is L; among them, the preset The detection interv...
Embodiment 2
[0087] image 3 The specific method flow chart of the transformer protection system provided by the embodiment of the present application ( image 3 The shown transformer protection system consists of a capacity controller and a quantifier that can communicate with it). Such as image 3 As shown, the methods shown include:
[0088] Step 301, the capacity controller regularly detects the real-time total current of each phase of alternating current;
[0089] Step 302, when the capacity controller detects that the real-time total current of a certain phase of alternating current exceeds the rated current value, transmit the allocation power consumption indication to the quantifier; the deployment power consumption indication carries the allocation strategy generated by the capacity controller;
[0090] Step 303: After receiving the allocation power consumption indication, the quantifier adjusts the rated current of the scaler according to the allocation strategy in the allocat...
Embodiment 3
[0096] Figure 4 The specific method flow chart of the transformer protection system provided by the embodiment of the present application ( Figure 4 The transformer protection system shown is composed of a capacity controller, a background server and a quantifier). Such as Figure 4 As shown, the methods shown include:
[0097] Step 401, the capacity controller regularly detects the real-time total current of each phase of alternating current;
[0098] Step 402, when the capacity controller detects that the real-time total current of a certain phase of alternating current exceeds the rated current value, transmit the deployment power consumption indication to the background server; the deployment power consumption indication carries the detected real-time total current;
[0099] Step 403, the background server generates a deployment strategy according to the real-time total current in the received distribution power consumption instruction, and sends the adjustment strate...
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