GGJ Low Voltage Intelligent Reactive Power Compensation Cabinet-Zhejiang Huapu Electric Co., Ltd.

GGJ Low Voltage Intelligent Reactive Power Compensation Cabinet

The GGJ Low Voltage Intelligent Reactive Power Compensation Cabinet is developed to optimize power factor, improve energy efficiency, and maintain voltage stability in low-voltage distribution systems. It integrates automatic reactive power compensation and intelligent monitoring technologies into a single unit. The cabinet is equipped with capacitors, contactors or thyristors, controllers, and protection elements, and is suitable for dynamic or stepwise reactive power control across various environments.

Product Advantages
Improved Power Factor
Enhances power utilization by dynamically adjusting reactive power levels.Reduces apparent power demand, thereby minimizing unnecessary system losses.

Energy Efficiency Enhancement
Helps reduce energy consumption by compensating for reactive currents.Decreases transformer and line losses under varying load conditions.

Intelligent Control Integration
Utilizes microprocessor-based controllers for accurate compensation control.Automatically identifies load changes and responds with optimal capacitor combinations.

Stable System Operation
Minimizes voltage fluctuation and improves system voltage profile.Supports consistent equipment performance under different load scenarios.

Product Features
Modular Component Structure
Includes standardized capacitor banks, reactors, fuses, and contactors for easy maintenance.Modules can be upgraded or replaced independently without affecting the entire system.

Automatic Protection Mechanisms
Equipped with overvoltage, undervoltage, overcurrent, and harmonic protection.Ensures safe operation even in environments with fluctuating grid conditions.

Thermal Management Design
Natural ventilation and optional forced-air cooling ensure temperature control.Maintains operational efficiency in enclosed or partially ventilated rooms.

Product Applications
Industrial Manufacturing Plants
Supports heavy machinery and motor-driven systems by stabilizing power factor.Reduces energy bills and prolongs equipment life by lowering electrical stress.

Commercial Complexes
Ensures efficient power supply for elevators, HVAC systems, and lighting networks.Promotes energy savings and supports central energy management strategies.

Calculation and determination of the required capacitance quantity for on-site compensation of electric motors
	Before compensation	To obtain the required COS Ф 2 Kilometers of capacitors required per kilowatt load
TanΦ1	CosФ1	CosΦ2=0.7	CosФ2=0.75	CosФ2=0.8	CosΦ2=0.82	CosΦ2=0.85	CosΦ2=0.87	CosΦ2=0.9	CosΦ2=0.92	CosФ2=0.95	CosΦ2=0.97	CosΦ2=1.00
4.9	0.2	3.88	4.02	4.15	4.2	4.28	4.33	4.41	4.47	4.57	4.65	4.9
3.87	0.25	2.85	2.99	3.12	3.17	3.25	3.31	3.39	3.45	3.54	3.62	3.87
3.18	0.3	2.16	2.3	2.43	2.48	2.56	2.61	2.7	2.75	2.85	2.93	3.18
2.68	0.35	1.66	1.79	1.93	1.98	2.06	2.11	2.19	2.25	2.35	2.43	2.68
2.29	0.4	1.27	1.41	1.54	1.59	1.67	1.72	1.81	1.87	1.96	2.04	2.29
2.16	0.42	1.14	1.28	1.41	1.46	1.54	1.59	1.68	1.74	1.83	1.91	2.16
2.04	0.44	1.02	1.16	1.29	134	1.42	1.47	1.56	1.62	1.71	1.79	2.04
1.93	0.46	0.91	1.05	1.18	1.23	1.31	1.36	1.45	1.5	1.6	1.68	1.93
1.83	0.48	0.81	0.95	1.08	1.13	1.21	1.26	1.34	1.4	1.5	1.58	1.83
1.73	0.5	0.71	0.85	0.98	1.03	1.11	1.17	1.25	1.31	1.4	1.48	1.73
1.64	0.52	0.62	0.76	0.89	0.94	1.02	1.08	1.16	1.22	1.31	1.39	1.64
1.56	0.54	0.54	0.68	0.81	0.86	0.94	0.99	1.071	1.13	1.23	1.31	1.56
1.48	0.56	0.46	0.6	0.73	0.78	0.86	0.91	0.92	1.05	1.15	1.23	1.48
1.4	0.58	0.38	0.52	0.65	0.71	0.78	0.84	0.85	0.98	1.081	1.15	1.4
1.33	0.6	0.31	0.45	0.58	0.64	0.71	0.77	0.78	0.91	0.94	1.08	1.33
1.27	0.62	0.25	0.38	0.52	0.57	0.65	0.7	0.72	0.84	0.87	1.01	1.27
1.2	0.64	0.18	0.32	0.45	0.5	0.58	0.63	0.65	0.77	0.81	0.95	1.2
1.14	0.66	0.12	0.26	0.39	0.44	0.85	0.57	0.59	0.71	0.75	0.89	1.14
1.08	0.68	0.06	0.2	0.33	0.38	0.46	0.51	0.54	0.65	0.69	0.83	1.08
1.02	0.7		0.14	0.27	0.32	0.4	0.45	0.48	0.59	0.63	0.77	1.02
0.96	0.72		0.08	0.21	0.27	0.34	0.4	0.42	0.54	0.58	0.71	0.96
0.91	0.74		0.03	0.16	0.21	0.29	0.34	0.37	0.48	0.53	0.66	0.91
0.86	0.76			0.11	0.16	0.24	0.29	0.32	0.43	0.47	0.6	0.86
0.8	0.78			0.05	0.1	0.18	0.24	0.27	0.38	0.42	0.55	0.8
0.75	0.8				0.05	0.13	0.18	0.21	0.32	0.37	0.5	0.75
0.7	0.82					0.08	0.13	0.16	0.27	0.32	0.45	0.7
0.65	0.84					0.03	0.08	0.11	0.22	0.26	0.4	0.65
0.59	0.86						0.03	0.06	0.17	0.21	0.34	0.59
0.84	0.88								0.11	0.16	0.29	0.54
0.48	0.9								0.06	0.1	0.23	0.48
0.48	0.92									0.03	0.18	0.43
0.36	0.94										0.11	0.36
0.29	0.96										0.01	0.29
0.2	0.98											0.2

①	Low voltage intelligent reactive power compensation cabinet
②	Rated voltage (kV)
③	Rated current (A)
④	Harmonic branch (3, 5, 7, 11)
⑤	J: Static D: Dynamic

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