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Product Description

compact substation mobile substation outdoor substation

1,Outline

NXB small integrated box-type substation is an American and Continental me and take advantage of a new variant of the small integrated products. It will end substation voltage distribution network in advance manufacturing and assembly plants, the use of our research and development dedicated transformer, the combination of high voltage switchgear and low voltage switchgear and transformers to reach the transformer is connected with a small non-exposed portion of the pre-integration packing substation. Selection of box-type substation computer protection systems and smart integrated low-voltage power capacitors, the control and automatic protection combined in one intelligent integration while reducing the footprint.

Small integrated box-type substation its small size, installation, maintenance and dismantling convenient and flexible, suitable for urban distribution, street lighting electricity, industrial and mining enterprises, urban construction, residential, mountains, hotels and construction sites, especially for medium voltage terminal load distribution of the occasion, you can make a more direct high-pressure in-depth load center, reducing line losses, reduce the use of low-voltage cable, improve the quality of power supply.

2,Type meaning

3,Normal conditions of use

1 ambient temperature: maximum temperature + 40 ℃, the lowest temperature -30 ℃

2 Altitude: ≤1000m

3 Winds: Pretty 34m / s (not more than 700Pa)

4 air relative humidity less than 95% (+ 25 ℃)

5 earthquake horizontal acceleration is not greater than 0.4m / s2, the vertical acceleration is not greater than 0.15m / s2;

6 tilt installation site: less than 3 °;

7 installation environment: ambient air pollution is not obvious corrosive, flammable gas, etc., the installation site without severe shock;

8 special conditions of use, please consult with our company when ordering.

4,Main technical parameters

Power management unit	project	uint	parameter
High voltage unit	Rated voltage	KV	7.2-12
	Rated current	A	200~630
	Rated frequency	Hz	50
	Rated power frequency withstand voltage	kV	interphase/to-earth 34/48
	Rated lighting impulse withstand voltage	kV	interphase/to-earth 75/85
	Rated peak-value withstand current	kA	31.5,50
	Rated short-time withstand current	kA	20/4s
	Rated voltage	V	400
Low voltage unit	Main circuit rated current	A	70~1200
	Feeder line circuit current	A	10~800
	Feeder line circuit number	Loop	4~10
	Compensation capacity	Kvar	30~300
	Rated voltage ratio	kV	6/0.4,10/0.4
Tansformer unit	Rated capacity	kVA	≤800
	Tapping range		±2×2.5% or ±5%
	Connection symbol		Dyn11 or Yyn0
	Nose level	dB	<50
Box	Protection class		P23D
Box	Overall dimensions		According to distribution grograms to select different dimension

5,Structural features


Anti-condensation design Patent Number: ZL200930112040.5 Patent Number: ZL201020572347.0	High-voltage switchgear and transformer shielded cable plug head, Meet GB / T 11022-1999 "high-voltage switchgear and control Equipment standards common technical requirements "and for the operation and maintenance of security.

Currently running American box changed domestic and European box changes the following outstanding issues:

1, American box changed the structure of the oil load switch and fuse placed inside the transformer tank, the oil will affect the carbonation when the transformer insulation breaking load switch, transformer and high temperature produced runtime will also affect the normal work load switch and fuse . So there have been explosions and fires and other accidents in the operation, with China advocates the development trend of non-oil switch conflict.

2, Continental me change bulky, taking up limited land resources, the environment not only affects the appearance, but also because of the low pressure load is too concentrated, many low-voltage cable outlet line loss rate increases. In the initial one-time investment of more low pressure will also increase the cost of copper cable.

In response to these problems, I developed a new generation of small-scale integration of box-type substation. The device has the following features:

Small integrated compact box-type substation is the same type of Continental me change the volume of 1/3 ~ 1/4, and has all the features Continental me change, in line with GB / T17467-1998 "high / low voltage prefabricated substation" standard requirements, easy to install and can be used as a residential lawn decoration or landscape.

Small integrated box-type substation with integrated intelligent integrated management. Meet the power requirements of the load control on the basis of the transformer is equipped with running data acquisition, intelligent reactive power compensation, condensation temperature control (including power metering and power measurement, etc.), remote communication (uplink), a digital electric meter reading (downstream), other digital equipment management, so as to realize the integration of the box becomes a full range of intelligent management.

Small box-type substation shell with integrated stainless steel frame design and new high-strength fluorocarbon coating VRD trim, using polyurethane rigid barrier bubble panels, honeycomb structure fire resistance B1 level up to the national standard, with excellent moisture resistant insulation

6, Low-voltage main cable program

High pressure