Price of Qiqihar Capacitor Nad-nsmj0.45-25-3
The fast anti-harmonic intelligent power capacitor is designed for the power network with large harmonic content, rapid reactive power change, and the situation where ordinary power capacitors cannot operate normally. It uses special technologies and processes and is composed of a circuit breaker, thyristor, reactor, and aluminum shell low-voltage power capacitor. It has the characteristics of fast response speed, zero-crossing switching of the capacitor, no inrush current impact, effectively prolonging the service life of the capacitor, no amplification effect on harmonics, and the ability to absorb some harmonics.
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The time relay is mainly used as a time control element in the control circuit with an AC frequency of 50Hz, a rated control power supply voltage up to 400V, and a DC rated control power supply voltage up to 24V to connect or disconnect the circuit at a predetermined time. The time relay is mainly used as a time-delay control switch in the control circuit with an AC frequency of 50Hz and a rated control power supply voltage up to 240V.Intelligent Reactive Power CompensationCapacitoris an intelligent reactive power compensation device for the 0.4kV low-voltage distribution network to reduce line loss, improve power factor, improve power quality, and save energy and reduce consumption. Based on the intelligentreactive power compensationcontrollerThe reactive power compensation scheme designed can refer to the following principles
| Non-linear load ratio | Reactive power compensation design scheme | | |
|
| Three-phase balanced static load | Three-phase unbalanced static load | Three-phase balanced frequently changing load | Three-phase unbalanced frequently changing load | |
| Non-linear equipment in the load ≤ 15% of transformer capacity (mainly linear load) | Three-phase common compensation, composite switch zero-crossing switching, | Phase-separated compensation or hybrid compensation, Composite switch zero-crossing switching; | Three-phase common compensation, thyristor switch dynamic switching | Phase-separated compensation or hybrid compensation, Thyristor switch dynamic switching; |
| 15% | Three-phase common compensation Composite switch zero-crossing switching Connect 6% or 12% filtering reactance in series in the capacitor circuit | Phase-separated compensation or hybrid compensation Composite switch zero-crossing switching Connect 6% or 12% non-tuned filtering reactance in series in the capacitor circuit | Three-phase common compensation Thyristor switch dynamic switching Connect 6% or 12% non-tuned filtering reactance in series in the capacitor circuit | Phase-separated compensation or hybrid compensation Thyristor switch dynamic switching Connect 6% or 12% non-tuned filtering reactance in series in the capacitor circuit |
| Harmonic control target | Destroy the parallel resonance between the capacitor and the system, and partially absorb the 3rd, 5th, 7th and higher harmonics in the system | Destroy the parallel resonance between the capacitor and the system, and partially absorb the 3rd, 5th, 7th and higher harmonics in the system | Destroy the parallel resonance between the capacitor and the system, and partially absorb the 3rd, 5th, 7th and higher harmonics in the system | Destroy the parallel resonance between the capacitor and the system, and partially absorb the 3rd, 5th, 7th and higher harmonics in the system |
| The ratio of non-linear equipment in the load > 50% of the transformer capacity (a large number of harmonics exist) | Three-phase common compensation Zero-crossing switching of composite switch Tuned filtering circuit composed of capacitor or reactance | Phase-separated compensation or mixed compensation Zero-crossing switching of composite switch Tuned filtering circuit composed of capacitor or reactance | Three-phase common compensation Dynamic switching of thyristor switch Tuned filtering circuit composed of capacitor or reactance | Phase-separated compensation or mixed compensation Dynamic switching of thyristor switch Tuned filtering circuit composed of capacitor or reactance |
If the weather is fine, you can open the doors and windows for ventilation to reduce the indoor humidity. Second, use desiccants to absorb moisture. Nowadays, using desiccants to absorb moisture and dehumidify has become a choice for many people. You can see dehumidifying bags, dehumidifying boxes and other products everywhere in supermarkets and department stores. These things can be placed in the filing cabinets to absorb moisture after being bought back, but pay attention to replace them after using for a period of time. Single-phase electricity: The live wire L is represented by red, and the neutral wire N is represented by blue. Specific wiring of air switches: 1. Air switch – 1P: 2. Air switch – 2P: 3. Air switch –: Let's take a comprehensive look at the wiring of 1P and 2P air switches: Specific wiring of leakage protectors: Important reminder: When wiring the leakage protector, be sure to pay attention to see if there is an obvious neutral wire mark. Generally, there is an N wire mark on the leakage protector. Wire strictly according to the neutral wire mark. Wire strictly according to the neutral wire mark. Wire strictly according to the neutral wire mark. Important things are said three times. 1. The first type of 1P+N leakage protector: 2. The second type of 1P+N leakage protector: Put the two types of 1P+N leakage protectors together: 3. Wiring of 2P leakage protector 4. Wiring of leakage protector 5. Put the leakage protectors together for a clear view Summary: The above are the wiring methods of commonly used air switches and leakage protectors, which are used very frequently in the electrical maintenance work. When wiring, be sure to connect the wires correctly, leave no hidden dangers, and work safely.

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Time control switch KT316T-3 Active comprehensive filter compensation device DAS-200-100A/0.4
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Dry temperature controller LD-B10-100 Switch status indicator XTKB-971S-770
Dual RDQ3CMA-100 Live-line indicator GSNT(Q)-HD
Isolating knife switch HD13BX-1600/31 Electric heater JRD2-A
Three-phase three-wire electronic energy meter DssD331.3×100v.3×1.5(6)A Line protection and measurement and control device LSA1119
Backup protector JLSP-SCB2/25 Microcomputer comprehensive protection device SLL-942 Thermostat KH-407
Soft starter HSP2D Reactive power compensation controller SE-CR2002D-10AS
Microcomputer line protection device PD28L380V Reactive power transmitter FPKT201-V1-A2-F1-P2-O3/O3
Intelligent control device ZBKZ660 Reactor CKSG-2.1/0.48-7%
Three-phase three-wire energy meter DSS196 Watt-hour meter DB660 Intelligent dehumidifier MTS-8060KT-32
Output reactor SOCL-0030-EISC-233C Digital display voltmeter YD184U-2X1
Multifunctional instrument JCG9614Z Thyristor switch TSC-55G
Voltage transmitter S3(T)-VD-1-05A4B Overvoltage protector SHFB-Z-17/1200
Backup protector JLSP-SCB1/25/4P Circuit breaker JKN45-63/4P/25A Active filter VST800-50A/2-BM
Circuit breaker FEN160-160 Switch status display "HZS-ZT801
Intelligent controller HBSUN-CR2000D-21AT Digital display control instrument SDY8-A10A
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Contactor LC1-EW009-C
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