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LV Reactive Power Compensation
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Beijing Hyliton Power Technology Co.,Ltd.
Address:6th floor of Tower B, Advanced Material Building, Yongfeng Industrial Base, Haidian Dist., Beijing, 100094 China.
Contact: Ms. Sarah Wang
Tel: +86 189 0119 4516
Mobile phone: +86 10 5871 1928 ext. 1759
Fax: +86 10 5871 1938
E-mail:overseas@hyliton.com

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LV Reactive Power Compensation

   Low Voltage Reactive Power Compensation UnitBrief introductionLow Voltage Reactive Powe···

   

Low Voltage Reactive Power Compensation Unit

Brief introduction

Low Voltage Reactive Power Compensation Unit <Model: JPD (ZPD) -0.4> serie is an integrated power distribution product gathering the functions of power distribution, measurement, protection, control and compensation, which installed at the low-voltage side of the transformers. It is consist of three parts i.e. switch compartment, measuring compartment and compensation compartment, and the main components include circuit breakers, metering and measuring current transformers, power meters, data collection terminals, distribution integrated control terminals, capacitor switching unit, and self-healing low voltage shunt capacitors, etc. Due to the advantages of power distribution, control, management, harmonics governance and reactive power compensation, the Low Voltage Reactive Power Compensation Unit has been widely used in the reconstruction project of power distribution system of city and new rural grid. This product can improve the power factor of low voltage distribution network, to decrease consumption, improve power quality at load side, and increase availability of transformer and transmission line. It plays an important part at the energy saving, loss reduction, increasing network safety and stability of power system, and improving user economic benefits, etc. 

The ZPD series Power Compensation Units produced by our company are designed according to IEC and National Standards, which can operate reliably and safely in a variety of environmental conditions. They have been widely used in the low voltage distribution systems around the country, especially in the reconstruction project of new rural grid distribution system in Inner Mongolia, Gansu, Guizhou, Hubei and Hebei province.

The ZPD series Power Compensation Units produced by our company are in accordance with the following standards:

· IEC439-1  < Low-voltage switchgear and controlgear ASSEMBLIES>

· GB7251.1-2005  < Low-voltage switchgear and controlgear ASSEMBLIES>

· GB/T15576-2008  <Low-voltage reactive power compensation ASSEMBLIES>

Environmental conditions

Maximum daily temperature difference

30℃

Wind pressure

≤700Pa

Relative humidity (25℃)

Daily average≤ 95% 
     Monthly average ≤90%

Altitude

≤2000m

Irradiance (wind speed 0.5m/s hour)

0.1W/cm2

Maximum icing thickness

10mm

Requirement of installation location

Outdoor, no harmful gases and steam, no conductive or explosive dust, non vibration and shock locations

Seismic capacity

Ground horizontal acceleration 0.3g; ground vertical acceleration 0.15g; 
lasted three sine waves at the same time; safety factor ≥1.67

Technical data

Rated voltage

0.4kV

Rated frequency

50Hz

Rated insulation voltage

660V

Rated current

50,80,125,160,200,250, 315,400,500,630,800A

Circuit breaker rated limit short Circuit breaking capacity

≥50kA

Clearance

≥10mm

Creeping distance

≥14mm

Grounding mode

Neutral point grounding directly

Outlet switch loop quantity

1~4 loop

Compensation capacity

5~300kvar, compensate 10%-40% of transformer

Pollution grade

III grade

Installation method

Single pole bracket installation, installed on transformer rack ( U steel)

Inlet-outlet line connection mode

Side inlet side outlet and bottom inlet bottom outlet

Compensation mode

Phase splitting compensation/ 3 phase compensation/ combined compensation

Dynamic response time

<20ms

Self discharge feature

Voltage descend to below 50V in 1 min after removal

Maximum switching grade

12 grade



Features:

· Integrated energy metering and reactive power compensation in one, to improve equipment utilization and shorten payback period;

· No operating over voltage, and no arc reignition in switching process; can be switching frequently, once arrival for multiple compensation, can realize phase splitting compensation, 3 phase compensation and combined compensation; the equipped reactor can filter high harmonics;

· With complete protection: short circuit, phase loss, overvoltage, undervoltage, harmonic protection, etc.;

· Convenient to set each parameter, quit operation automatically when there is an external fault, resume operation automatically after being powered;

· Reduce line losses, increase effective output capacity of distribution transformer, so as to reduce the grid burden; optimize the quality of electricity, including raising the voltage passing rate, reducing voltage fluctuation, suppressing voltage flicker, improving safety and reliability of grid operation;

· At the 3 phase unbalanced position, it can achieve phase splitting reactive power compensation, to improve the imbalance;

· The capacitance can be configured at random, the unit will select the capacitor combinations automatically based on the principle of "best compensation, minimum switching”.

Typical schematic drawing

· Without special instructions, outlet circuit less than 500kVA should be configured by not more than 2-circuit outlet, 500kVA above by not more than 3-circuit, the outlet rated current of each circuit should be configured with dispersion coefficient of 0.8 (80% rated current of inlet switch).

· Stainless steel enclosure, depth of 480mm, 500 mm, 530mm, 550mm, 580mm and 600 mm optional for small and medium capacity unit, only 600mm depth available for 500kVA or above unit. 

· If the user has special requirements of the enclosure dimensions or components configuration, it can be customized according to the user’s requirements. 

Specifications and selection guide of Reactive Power Compensation Unit (5MC enclosure)


Transformer capacity (KVA)

Enclosure dimensions

(W×H×D) mm

Inlet switch rated current (A)

Maximum outlet loop quantity

Compensation capacity

Maximum compensation loop quantity

Compensation mode (suggested)

30-50-80

600×1000

×640

50-80-125

2

No less than 10% compensation

1

Fixed capacity co comp.

100-160

1000×1000

×640

160-250

4

30% compensation

3

2co 1sep auto comp.

200-250-315

1200×1000

×640

315-400-500

4

30% compensation

4

2co 2sep auto comp.

400

1200×1000

×640

630

3

30% compensation

4

3co 1sep auto comp.

500

1200×1250

×640

800

3

30% compensation

5

4co 1sep auto comp.

600-630

1400×1250

×640

1000

4

30% compensation

6

4co 2sep auto comp.

800

1600×1200

×640

1250

4

30% compensation

7

5co 2sep auto comp.




Transformer capacity (KVA)

Enclosure dimensions

(W×H×D) mm

Inlet switch rated current (A)

Maximum outlet loop quantity

Compensation capacity

Maximum compensation loop quantity

Compensation mode (suggested)

30-50-80

600×1000

×600

50-80-125

2

No less than 10% compensation

1

Fixed capacity co comp.

100-160

1000×1000

×600

160-250

4

30% compensation

3

2co 1sep auto comp.

200-250-315

1200×1000

×600

315-400-500

4

30% compensation

4

2co 2sep auto comp.

400

1200×1000

×600

630

3

30% compensation

4

3co 1sep auto comp.

500

1200×1250

×600

800

3

30% compensation

6

4co 2sep auto comp.

600-630

1400×1250

×600

1000

4

30% compensation

6

4co 2sep auto comp.

800

1600×1200

×600

1250

4

30% compensation

7

5co 2sep auto comp.


Hyliton Power Technology is one of the largest and experienced manufacturers and suppliers of high-tech products in China who can offer you advanced and high quality lv reactive power compensation OEM at competitive price. Welcome to order our CE lv reactive power compensation made in China.


       

Download the specifications of LV Reactive Power Compensation Transformers

LV Reactive Power Compensation Download.pdf

LV Reactive Power Compensation.pdf


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