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126KV - 170KV GIS (Gas Insulated Metal-enclosed Switchgear) High Voltage Switchgear-Metal-enclosed Combination Electrical Apparatus-GIS Switchgear Cabinets-GIS Control and Protection Systems

126KV - 170KV GIS (Gas Insulated Metal-enclosed Switchgear) High Voltage Switchgear-Metal-enclosed Combination Electrical Apparatus-GIS Switchgear Cabinets-GIS Control and Protection Systems
126KV - 170KV GIS (Gas Insulated Metal-enclosed Switchgear) High Voltage Switchgear-Metal-enclosed Combination Electrical Apparatus-GIS Switchgear Cabinets-GIS Control and Protection Systems
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126KV - 170KV GIS (Gas Insulated Metal-enclosed Switchgear) High Voltage Switchgear-Metal-enclosed Combination Electrical Apparatus-GIS Switchgear Cabinets-GIS Control and Protection Systems
126KV - 170KV GIS (Gas Insulated Metal-enclosed Switchgear) High Voltage Switchgear-Metal-enclosed Combination Electrical Apparatus-GIS Switchgear Cabinets-GIS Control and Protection Systems
126KV - 170KV GIS (Gas Insulated Metal-enclosed Switchgear) High Voltage Switchgear-Metal-enclosed Combination Electrical Apparatus-GIS Switchgear Cabinets-GIS Control and Protection Systems
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  • Stock: In Stock
  • Model: ZF23-126/ZF7-170L
This product is customized according to User Requirement , the above price is for reference, please contact us.

Product Overview

The ZF23-126/ZF7-170L/ T2000 – 40 Gas Insulated Metal-enclosure Switchgear. Live conductors of this product are contained in a sealed metal container and filled with SF6 gas as insulating and interrupting medium. Modular design according to main connection requirements of substation can assemble different kinds of structures. This equipment includes circuit breaker, disconnector, maintenance or fault earthing switch, current transformer, voltage transformer, lighting arrester, busbar and inlet/outlet BSG or cable end box, bellows, local control panel etc., components. This product can be applied to power system, power generation, rail transportation, petrochemical, metallurgy, mining, building materials and other large industrial consumer.

Features and advantages of the product

1. Modular design Top service reliability

The GIS is characterized by three-phase-one enclosure and function units. GIS are composed of modules (circuit breaker, busbar/disconnector/earthing switch, outlet disconnector/earthing switch/fast earthing switch, current transformer, etc.). GIS compared with conventional switchgear, number of parts and sealing surface is reduced consumedly. Since three-positions disconnector/ earthing switch are equipped with reliable mechanical interlock, service reliability increases greatly.

2.Extremely small volume Very light weight

Small type GIS compared with other domestic conventional GIS, has extremely small volume. The width of standard bay is 0.8m. The enclosure and conductor are equipped with aluminium alloy, corrosion-proof, very light weight. The weight of standard bay is 2.8t.

3. Superior interrupting capability

Circuit breaker is characterized by self-energy arc-extinguishing principle, has superior interrupting capability and making capability. No rekindle or reignition occurs in line-charging current switching, electric endurance is 20 times. Disconnector can switch bus transfer current and bus charge current. Fast earthing switch can make short circuit current and can switch induced current.

4. High insulation level

Insulation construction is characterized by good design. All insulation parts have passed extreme test for quality. Level of withstand voltage for GIS surpass GB and IEC standard. Insulation is of stability and reliability.

5. Minimized maintenance work

Since the spring operating mechanism does not require compressed air, enclosure is of superior sealing construction, so inspection and maintenance work are minimized. All operating mechanisms achieve air-free.

6. Short period of site installation

By fully use of large preassembled and tested units in factory (normaly, is a whole bay), thereby period of site installation is shortened consumedly.

Product parameters

No.

Item

Unit

Technical data

72.5 kV

126/170 kV

1

Nominal system voltage

kV

66

110/150

2

Rated normal voltage

kV

72.5

126/170

3

Rated normal current

A

1600, 2000, 3150

4

Rated frequency

Hz

50

5

Rated short-time withstand current( r.m.s )(4s)

kA

Main conductive circuit

31.5, 40

Earthing circuit

31.5, 40

6

Rated peak withstand current(peak)

kA

80, 100

7

Rated insulation level

Rated lightning impulse withstand voltage(peak)

kV

Phase-to-earth, between phases:350

Across break:350+59

Phase-to-earth, between phases:550/750

Across break :550+103/750

Rated power frequency withstand

voltage( r.m.s )(1min)

kV

Phase-to-earth,

between phases: 160

Across break: 160+42

Phase-to-earth,

between phases:230/32s

Across break: 230+73/32s

8

Visible corona

No corona at 1.1 of rated phase-voltage

9

Radio interference

μV

Less than 500 μV at 1.1 of rated phase-voltage

10

SF6 gas pressure (at 20 ℃)

Circuit Breaker

CB Rated short-circuit breaking current

kA

31.5, 40

31.5

40

Rated pressure

MPa

0.50

0.50

0.60

Alarm pressure

0.45

0.45

0.55

Lockout (min. functional pressure)

0.40

0.40

0.50

Others

Rated pressure

0.40

0.50

Alarm pressure

0.36

 

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Quality Assurance Period (QAP) Explanation

1.    The Quality Assurance Period (QAP) is an important aspect of our commitment to ensuring the quality and reliability of our products. We understand that customers rely on our goods to function properly and meet their expectations. To demonstrate our confidence in our offerings, we provide a warranty period during which we take responsibility for any quality issues that may arise.
2.    The length of the warranty period varies depending on the type of product. Generally, for consumable components subject to wear and tear, such as abrasion parts, the warranty period is three months. For smaller components, the warranty period is typically extended to six months. As for major equipment and machinery, we offer a one-year warranty period.
3.    We also recognize that each customer's requirements may differ, and we are open to negotiation regarding the warranty period. If the buyer requests a specific warranty duration that differs from our standard policy, we are willing to discuss and accommodate their needs accordingly.
4.    During the warranty period, we take full responsibility for any quality-related issues that arise. If a product is found to be defective or malfunctions due to manufacturing or material faults, we are committed to providing a resolution. This includes either replacing the faulty component or conducting necessary repairs to restore the product to its intended functionality. Our aim is to minimize any inconvenience caused to our customers and ensure their satisfaction.
5.    It is important to note that the warranty does not cover damages resulting from improper use, mishandling, or normal wear and tear. Additionally, if any modifications or repairs are carried out by unauthorized personnel during the warranty period, the warranty may become void.
6.    At our company, customer satisfaction is our top priority. We strive to provide high-quality products that meet and exceed expectations. The Quality Assurance Period serves as a testament to our commitment to delivering reliable solutions and ensuring that our customers have peace of mind when choosing our products.

Transportation:

1.    We offer various trade methods, including EXW, FOB, CIF, DDU, DDP, etc., allowing customers to choose the most suitable option based on their requirements.
2.    We consider the proximity to the factory where the goods are located when selecting the appropriate port of departure.
Customers can provide the destination port where the consignee is located or choose a designated port for delivery.
3.    Our transportation methods encompass a wide range of options, including waterway transportation, air transportation, and courier services such as DHL, FedEx, EMS, UPS, TNT, etc.
For waterway transportation, we work with reputable shipping companies such as APL, CMA, CNC, COSCO, EMC, EVERGREEN, HMM, KMTC, MCC, MSC, MSK, ONE, SITC, YML, etc.
Air transportation is available through airlines such as (Air China): CA; (China Southern Airlines): CZ; (China Eastern Airlines): MU; (Garuda Indonesia): GA; (Cathay Pacific Airways): CX; (Cathay Dragon): KA; (Korean Air): (Japan Airlines): JL;  (Singapore Airlines): SQ; (Thai Airways International): TG, and more.
4.    The transportation time will vary depending on the destination and the chosen transportation method. We will communicate and confirm the estimated time of arrival with the customer prior to shipping.
5.    Shipping costs are influenced by factors such as transportation method, weight, size, and destination. We provide shipping cost estimation services to assist customers in budgeting.
6.    Once the goods are shipped, we offer order tracking services to provide customers with detailed information about the whereabouts of their shipment. Additionally, based on the selected trade method, we can arrange cargo insurance to provide compensation in the event of loss or damage during transportation.
7.    The specific transportation arrangements mentioned above will be coordinated by dedicated personnel, taking into account the actual situation and policies. We strive to tailor the optimal and most cost-effective shipping plan based on the information provided by the customer.

Please note that we are committed to ensuring the smooth transportation of goods and will work closely with customers to address any specific requirements or concerns they may have regarding transportation.