22.9kv 60Hz/50Hz Zigzag Transformer with Netural Grounding Resistor
| Price: |
US $ 5000/Piece |
| Min Order: |
1/Piece |
| Pay Type: |
L/C,T/T,D/P |
| Prod Model: |
ZIGZAG |
| Application: |
Rectifier |
| Phase: |
Three |
| Coil: |
Core-type Transformer |
| Cooling Method: |
Oil-immersed Type Transformer |
| Winding Type: |
Two-winding Transformer |
Product Description
TECHNICAL CHARACTERISTICS.TABLE OF TECHNICAL DATA TRANSFORMER ZIG ZAG 22.9 KV - SET NUEVA CAJAMARCA.| ÍTEM | CHARACTERISTICS | UNITY | REQUIRED VALUE | OFFERED VALUE |
| 1 | General | | | |
| | Country | | Specify | China |
| Manufacturer | | Specify | HEMG |
| Manufacturing standards | | IEC 60076-6 Acapite 10
IEC 60296 | IEC 60076-6 Acapite 10
IEC 60296 |
Type | | Submerged in oil or other superior insulation. | Submerged in oil |
| Main Nominal Voltage | kV | 22.9 | 22.9 |
| Short-term neutral current | A | 300 | 300 |
| Duration of neutral current of short duration | S | 10 | 10 |
| Frequency | Hz | 60 | 60 |
| Permanent neutral current | A | 10 | 10 |
| Short time current to ground for 60 sec | KA | 25 | 25 |
| Conservation system | | Airtight with gas mattress | Airtight with gas mattress |
| Connection | | Zigzag | Zigzag |
| Type of liquid | | Natural Ester | mineral oil |
Insulation system | | 120° C (TUP Thermally enhanced paper)TUP | 120° C (TUP Thermally enhanced paper)TUP |
| Cooling Mode | | ONAN | ONAN |
| 2 | Conditions of service | | | |
| | Altitude | msnm | <1000 | <1000 |
Air temperature |
°C | 28°C anytime | 28°C anytime |
| 25°C Monthly average of the warmest month | 25°C Monthly average of the warmest month |
| 20°C Annual average | 20°C Annual average |
| 5°C minimum | 5°C minimum |
| Degree of pollution | mm/kV | 25 | 25 |
| Seismic disturbance | g | Specify | 0.2 |
| 3 | Temperature limits | | | |
| | Thermal class | °C | 105 | 105 |
| Heating of the upper liquid | °C | 60 | 60 |
| Average warming of windings | °C | 65 | 65 |
| Warmest spot heating | °C | 78 | 78 |
| 4 | Insulation level inside | | | |
| | Higher Material Voltage | kV | 24 | 24 |
| Primary impulse voltage | kVpico | 50 | 50 |
33 | | Applied voltage | kV | 125 | 125 |
| 5 | External Insulation Level | | | |
| | Higher Material Voltage | kV | 36 | 36 |
| Primary impulse voltage | kVpico | 170 | 170 |
| Applied voltage | kV | 70 | 70 |
| 6 | Guaranteed Parameters | | | |
| | Lost in vacuum | W | 500 | 500 |
| Excitation current | % | 0.3 | 0.3 |
| Homopolar impedance | /fase | 45 | 45 |
| 7 | Weights and dimensions | | | |
| | Dielectric liquid weight | kg | Specify | 550 |
| Total weight | kg | Specify | 1700 |
| Length x Width x Height | mm | According to design | 1600x950x1300 |
| 8 | Classification of atmosphere and coating | | | |
| | Class (NBR 11388) | | Class II | Class II |
| system | | Epoxi | Epoxi |
| 9 | Accessories | | | |
| | Oil level indicator without contacts | 1 Pz | Yes | Yes |
| Contactless overpressure valve | 1 Pz | Yes | Yes |
| Drain valve | 1 Pz | Yes | Yes |
| Contactless bimetallic thermometer | 1 Pz | Yes | Yes |
| Earthing bar (5x30mm) | 1 Pz | Yes | Yes |
| Sudden pressure relay with a contact | 1 Pz | Yes | Yes |
| Grounding Terminals | 1 Pz | Yes | Yes |
| 10 | Testing | | IEC | IEC |
| 11 | Neutral Resistance | | | |
| | Insulation | | Air | Air |
| | Service | | Exterior | Exterior |
| | Nominal Voltage | kV | 22.9/√3 | 22.9/√3 |
| | Intensity of continuous service | A | 10 | 10 |
| | Short-term Intensity | A | 300-10 s | 300-10 s |
| | Resistance | ohm | 12 | 12 |
| |
Metal enclosure | | AISI-304 stainless steel painted interior and exterior | AISI-304 stainless steel painted interior and exterior |
| | Degree of protection | IP | IP23 | IP23 |
| |
Resistive material | | Chrome-nickel steel AISI-304 Cr18/20%, Ni 18/10%;
Fe resto304 | Chrome-nickel steel AISI-304 Cr18/20%, Ni 18/10%;
Fe resto |
| | Normative | | IEEE Std- 32 | IEEE Std- 32 |
| |
Construction | | Stainless steel stamped grills AISI‐304 (Fe‐Cr18‐
Ni10), Joined by welding points and insulated from each other by ceramic separators. Stainless steel screws304,,. | Stainless steel stamped grills AISI‐304 (Fe‐Cr18‐
Ni10), Joined by welding points and insulated from each other by ceramic separators. Stainless steel screws |
| | Application | | Neutral Residence Zig Zag Z | Neutral Residence Zig Zag |
| |
Equipped with current transformer | | Toroidal current transformer 300/1A, 1.5 VA | Toroidal current transformer 300/1A, 1.5 VA |
| 12 | Protection System | | | |
| | Removable switch | kV | 24 kV | 24 kV |
| | Monitoring relay and fault detection with 50/51 and 50N / 51N function | GLB | Specify | satisfy |
| | Monitoring relay neutral resistance and resistance sensor.. | kV | Specify | satisfy |
TABLE OF TECHNICAL DATA TRANSFORMER ZIG ZAG 20KV - SET RIOJA.| ÍTEM | CHARACTERISTICS | UNITY | REQUIRED VALUE | OFFERED VALUE |
| 1 | General | | | |
| | Country | | Specify | China |
| Manufacturer | | Specify | HEMG |
| Manufacturing standards | | IEC 60076-6 Acápite 10
IEC 60296 | IEC 60076-6 Acápite 10
IEC 60296 |
Type | | Submerged in oil or other superior insulation. | Submerged in oil |
| Primary Nominal Voltage | kV | 20 | 20 |
| Short-term neutral current | A | 300 | 300 |
| Duration of the neutral current of short duration | S | 10 | 10 |
| Frequency | Hz | 60 | 60 |
| Permanent neutral current | A | 10 | 10 |
| Short time current ground for 60 sec 60 | KA | 25 | 25 |
| Conservation system | | Airtight with gas mattress | Airtight with gas mattress |
| Connection | | Zigzag | Zigzag |
| Type of liquid | | Natural Ester | mineral oil |
Insulation system | | 120° C (TUP Thermally enhanced paper) | 120° C (TUP Thermally enhanced paper) |
| Cooling Mode | | ONAN | ONAN |
| 2 | Conditions of service | | | |
| | Altitude | msnm | < 1000 | < 1000 |
Air temperature |
°C | 28°C anytime | 28°C anytime |
| 25°C Monthly average of the warmest month | 25°C Monthly average of the warmest month |
| 20°C Annual average | 20°C Annual average |
| 5°C minimum | 5°C minimum |
| Degree of pollution | mm/kV | 25 | 25 |
| Seismic disturbance | g | Specified | 0.2 |
| 3 | Temperature limits | | | |
| | Thermal class | °C | 105 | 105 |
| Heating of the upper liquid | °C | 60 | 60 |
| Average warming of windings | °C | 65 | 65 |
| Warmest spot heating | °C | 78 | 78 |
35 | 4 | Insulation level inside | | | |
| | Higher material Voltage | kV | 24 | 24 |
| Primary impulse voltage | kVpico | 50 | 50 |
| Applied voltage | kV | 125 | 125 |
| 5 | External Insulation Level | | | |
| | Higher material Voltage | kV | 36 | 36 |
| Primary impulse voltage | kVpico | 170 | 170 |
| Applied voltage | kV | 70 | 70 |
| 6 | Guaranteed Parameters | | | |
| | Lost in vacuum | W | 500 | 500 |
| Excitation current | % | 0.3 | 0.3 |
| Homopolar impedance | /fase | 40 | 40 |
| 7 | Weights and dimensions | | | |
| | Dielectric liquid weight | kg | Specify | 500 |
| Total weight | kg | Specify | 1600 |
| Length x Width x Height ** | mm | According to design | 1600x900x1300 |
| 8 | Classification of atmosphere and coating | | | |
| | Class(NBR 11388) | | Class II | Class II |
| System | | Epoxi | Epoxi |
| Surface Preparation | | Sa 2 1/2 | Sa 2 1/2 |
| 9 | Accessories s | | | |
| | Oil level indicator without contacts | 1 Pz
| Yes | Yes |
| Contactless overpressure valve | 1 Pz | Yes | Yes |
| Drain valve | 1 Pz | Yes | Yes |
| Contactless bimetallic thermometer | 1 Pz | Yes | Yes |
| Earthing bar | 1 Pz | Yes | Yes |
| Sudden pressure relay with a contact | 1 Pz | Yes | Yes |
| Grounding Terminals | 1 Pz | Yes | Yes |
| 10 | TESTING | | IEC | IEC |
| 11 | Neutral Resistance | | | |
| | Insulation | | Air | Air |
| | Service | | Exterior | Exterior |
| | Nominal Voltage | kV | 20/ √ 3 | 20/ √ 3 |
| | Intensity of continuous service | A | 10 | 10 |
| | Short-term current | A | 300-10 s | 300-10 s |
| | Resistance | ohm | 12 | 12 |
| |
Metal enclosure | | Stainless steel AISI- 304 Painted inside and out 304 | Stainless steel AISI- 304 Painted inside and out |
| | Degree of protection | IP | IP23 | IP23 |
| |
Resistive material | | Chrome-nickel steel AISI-304 Cr18/20%, Ni 18/10%;
Fe resto304 | Chrome-nickel steel AISI-304 Cr18/20%, Ni 18/10%;
Fe resto |
| | Normative | | IEEE Std- 32 | IEEE Std- 32 |
| |
Construction | | Stainless steel stamped grills AISI‐304 (Fe‐Cr18‐
Ni10), Joined by welding points and insulated from each other by ceramic separators. Stainless steel screwsAISI‐304(Fe‐Cr18 Ni10),,. | Stainless steel stamped grills AISI‐304 (Fe‐Cr18‐
Ni10), Joined by welding points and insulated from each other by ceramic separators. Stainless steel screws |
6 | | Application | | Neutral Resistance Zig Zag Z | Neutral Resistance Zig Zag Z |
| |
Equipped with current transformer | | Toroidal current transformer 300/1A, 1.5 VA | Toroidal current transformer 300/1A, 1.5 VA |
| 12 | Protection System | | | |
| | Removable switch | kV | 24 kV | 24 kV |
| | Monitoring relay and fault detection with 50/51 and 50N / 51N function | GLB | Specify | satisfy |
| | Neutral resistance monitoring relay and resistance sensor. | kV | Specify | satisfy |
Note:
1.- They must include all the complete equipment (including a Cell) to implement the artificial Neutral in 20 kV and 22.9 kV Bars of the Rioja and Nueva Cajamarca substations, respectively, to guarantee the operation of ground fault protection in networks. 2. - Includes the minimum necessary accessories for the commissioning and operation of the Transformer and equipment associated with the artificial Neutral. 
Ningbo Hyuan Power Industry Co., Ltd was found in 2006, It is a professional company which is involved in Complete supply, Designing, Consulate and Service of Substation up to 245kv and of Distribution Automation up to 245kv
Our product is including of:
1.15KV/27KV/38KV, 50Hz/60Hz, 630A/1250A The Most advanced Recloser in the world for Pole mounted and Substation Mounted with Protocol IEC61850/DNP3.0 according to IEEE/ANSI/IEC standard;
2.15KV/27KV/33KV/66KV/123KV/145KV/150KV/170KV/245KV, 50Hz/60Hz, 1250A/2000A/3150A, Three phase Outdoor Isolator/Disconnector with Double Break at side /Central Single Break for Level/Vertical Mounted on Pad Substation or Power Tower;
3.15KV/27KV/33KV/66KV/123KV/145KV/150KV/170KV/245KV, 50Hz/60Hz, 1250A/2000A/3150A, Outdoor Three phase /Single phase SF6/Vacuum Circuit Breaker with Three Phase Common Operation /Single Phase Seperate Operation;
4.15KV/27KV/38KV/66KV/123KV/145KV/150KV/245KV, 50Hz/60Hz, MR2000/1(5)A, Outdoor Oil/Resin/Capacitor Current transformer, Voltage Transformer up to 5 cores;
5.15KV/27KV/38KV/66KV/123KV/145KV/150KV/245KV, 50Hz/60Hz, 100kvar to 100Mvar capacitor bank for pad mounted and Pole mounted;
6.15KV/27KV/38KV/66KV/123KV/145KV/150KV/245KV, 50Hz/60Hz Power Transformer up to 200mva and reactor up to 200Mvar;
7.400V/6KV/15KV/27KV/38KV, 50Hz. 60Hz, indoor AC control and Protection switchgear panel for substation and Distribution system;
8.48VDC/110VDC/220VDC 50Hz/60Hz Lead-Acid/Ni-CD Battery bank with Charger up to 2000AH;
9.15KV/27KV/38KV/66KV/123KV/145KV/150KV/245KV, 50Hz/60Hz Cable heat srink/cold shrink Terminal and Joint with joint box
10.33KV/66KV/145KV 50Hz/60Hz dead tank GCB /HGIS and compact GIS;
11.11KV/33KV, 50Hz/60Hz, 9/11/17/32 steps ON LOAD TAP CHANGER for Power Ttansformer
12. RTU remote terminal unit for VCB, SWITCHGEAR AND RECLOSER WITH IEC61850/DNP3.0 Protocol
Our Mian service is including of:
1. Designing, Complete Supply, Conssate and Commission of 33KV/66KV/145KV/245KV 60Hz/50Hz substation including of GCB, DS, CT PT, LA, Transformer, Cable, Control & Protection Panel, Earthing Grounding system,
SCADA system, Steel grid tower;
2. Desinging, Complete Supply, consulate and Commission of 33kv/66kv/145kv/230kv 60Hz/50Hz Distribution automatic system including of recloser, sectionaliser, fault indicator, RTU, GPRS, and management software
We are rich experience in substation and automatic distribution system for 10years, our business had been involve in the world I including of Bangladesh, Indonesia, malasia, Pakistan, zimbia, zembewei, Peru, Ecuador ect over the world.
Customerizer will be welcome, Speciall required wil be welcome, we have good experience to proposal you and support you to success in business.
All the goods from HEMG will be guaranteed within 2 years, in specially, it will be 5 years.
For Above 1 million Order, We will send our engineer to work in site untill runing in good conditions.
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