| Brand | ROCKWILL |
| Numero sa Modelo | 500kV 550kV Single-phase Oil-Immersed Air-Cooled Autotransformer with Three Windings and No Excitation 500kV 550kV Sinugaling Phase Oil-Immersed Air-Cooled Autotransformer nga may Tres Windings ug walay Excitation |
| Naka nga boltahang rated | 550kV |
| Nasodnong peryedyo | 50/60Hz |
| Serye | ODFS |
Pagpahayag:
Ang 500kV/550kV Single-Phase Oil-Immersed Air-Cooled Autotransformer nga may Tres Windings ug walay Excitation gitukod alang sa ultra-high voltage transmission networks nga nanginahanglan og exceptional reliability ug efficiency. Ang iyang oil-immersed air-cooled (ONAN) design nag-siguro sa effective heat dissipation sa panahon sa continuous operation, samantalang ang tres-winding configuration naghatag og flexible power allocation ug system interconnection capabilities. Ang no-excitation voltage regulation mechanism mibawas sa complexity sa on-load tap changers, naghunam sa maintenance needs ug gipalapdon ang operational stability. Ideal para sa core grid substations, kini nga transformer nagdala og robust performance sa demanding environments ngadto sa minimal lifecycle costs.
Rational Structural Design:Nagamit og advanced modern calculation technologies, ang structure sa transformer gi-optimize pinaagi sa in-depth analysis sa iyang electrical, magnetic, mechanical, ug thermal properties. Kini nag-siguro sa structural integrity ug performance synergy sa tanang operational conditions.
Advanced Performance Indicators:Compliant sa international IEC standards, ang product mahimo usab nga tailor-made aron mapasabot sa specific customer requirements. Ang iyang partial discharge (PD) level mas gamay pa kay sa limit na gispecific sa IEC 60076-3, nagdala og exceptional electrical performance ug operational stability.
High Operational Reliability:Gi-siguro ang reliability pinaagi sa comprehensive analysis sa electrical, magnetic, mechanical, ug thermal characteristics. Gisulbaran sa scientific insulation structure, optimized ampere-turn distribution, ug efficient cooling system, kini nagdala og strong resistance sa overvoltage ug short-circuit currents, mibawas sa risk sa local overheating sa panahon sa long-term operation.
Premium Configured Accessories:Equipped sa high-quality accessories, ang transformer nagdala og superior user experience. Ida adunay aesthetically pleasing appearance, reliable leak-proof design, ug supports maintenance without tank disassembly—nagdala og near maintenance-free operation mode nga mibawas sa operational costs ug workload.
Technical Parameters:
Sa mga kasagaran, ang pipila ka autotransformers nagsakop sa non-standard voltage levels sama sa 121kV, 132kV, 138kV, 200kV, 225kV, 230kV, 245kV, 275kV, 330kV, 345kV, 400kV ug 756kV, Naghatag usami customization services.
500kV 100MVA~484MVA Single-phase, Double-winding Power Transformer with Off-circuit Tap-changer
Rated capacity (kVA) |
Voltage combination and tapping range |
Vector group |
Energy consumption class Ⅰ |
Energy consumption class Ⅱ |
Energy consumption class Ⅲ |
Short-circuit impedance (%) |
||||
HV tapping range (%) |
LV (kV) |
No-load loss (kW) |
On-load loss (kW) |
No-load loss (kW) |
On-load loss (kW) |
No-load loss (kW) |
On-load loss (kW) |
|||
100 |
500/√3 525/√3 535/√3 550/√3 |
13.8;15.75 |
Ii0 |
34 |
203 |
40 |
203 |
49 |
214 |
14 |
120 |
15.75;18;20 |
39 |
234 |
46 |
234 |
56 |
247 |
|||
200 |
15.75;18;20;24 |
63 |
342 |
74 |
342 |
91 |
361 |
|||
223 |
18 |
68 |
371 |
81 |
371 |
99 |
391 |
|||
240 |
18;20;24 |
72 |
392 |
85 |
392 |
105 |
413 |
|||
260 |
18;20 |
77 |
414 |
91 |
414 |
112 |
437 |
|||
380 |
24;27 |
102 |
549 |
121 |
549 |
149 |
580 |
16 or 18 |
||
400 |
106 |
570 |
125 |
570 |
154 |
601 |
||||
410 |
108 |
581 |
128 |
581 |
158 |
613 |
||||
484 |
123 |
657 |
145 |
657 |
178 |
694 |
||||
Pahibalo: Ang mga transformers nga may daghang espesyal nga mga parametro ug performance mahimo kini pagbuhaton batas sa mga pangutana sa customer.
500kV 120MVA~1170MVA Tres-phase, Double-winding Power Transformer nga may Off-circuit Tap-changer
Rated capacity (kVA) |
Voltage combination and tapping range |
Vector group |
Energy consumption class Ⅰ |
Energy consumption class Ⅱ |
Energy consumption class Ⅲ |
Short-circuit impedance (%) |
||||
HV tapping range(%) |
LV (kV) |
No-load loss(kW) |
On-load loss(kW) |
No-load loss(kW) |
On-load loss(kW) |
No-load loss(kW) |
On-load loss(kW) |
|||
120 |
500 525 550 |
13.8;15.75 |
YND11 |
41 |
356 |
49 |
356 |
60 |
375 |
14 |
160 |
50 |
441 |
59 |
441 |
72 |
466 |
||||
240 |
69 |
599 |
81 |
599 |
100 |
632 |
||||
300 |
13.8;15.75;18 |
80 |
707 |
94 |
707 |
116 |
746 |
|||
370 |
15.75;18;20 |
94 |
810 |
111 |
810 |
136 |
855 |
|||
400 |
18;20;24 |
96 |
855 |
114 |
855 |
140 |
903 |
|||
420 |
15.75;18;20 |
102 |
860 |
120 |
860 |
148 |
907 |
14 or 16 |
||
480 |
15.75;18;20 |
110 |
954 |
130 |
954 |
160 |
1007 |
|||
600 |
15.75;18;20;24 |
143 |
1202 |
169 |
1202 |
208 |
1268 |
|||
720 |
18;20;24 |
168 |
1382 |
198 |
1382 |
244 |
1458 |
|||
750 |
20;22 |
173 |
1422 |
205 |
1422 |
252 |
1501 |
16 or 18 |
||
780 |
22 |
176 |
1467 |
208 |
1467 |
256 |
1549 |
|||
860 |
190 |
1575 |
224 |
1575 |
276 |
1663 |
||||
1140 |
27 |
237 |
1949 |
280 |
1949 |
344 |
2057 |
|||
1170 |
242 |
1980 |
286 |
1980 |
352 |
2090 |
||||
Pahibalo: Ang mga transformers nga may daghang espesyal nga mga parametro ug performance mahimo moproduktura batas sa pangutana sa customer.
500kV 120MVA~1170MVA Tres na Phases, Double-winding Power Transformer nga may Off-circuit Tap-changer
Rated capacity (kVA) |
Voltage combination and tapping range |
Vector group |
Energy consumption class Ⅰ |
Energy consumption class Ⅱ |
Energy consumption class Ⅲ |
Short-circuit impedance (%) |
|||||
HV (kV) |
MV tapping range (kV) |
LV (kV) |
No-load loss (kW) |
On-load loss (kW) |
No-load loss (kW) |
On-load loss (kW) |
No-load loss (kW) |
On-load loss (kW) |
|||
120 |
600/ √3 625/ √3 650/ √3 |
230/√3 230/√3 ±2×2.5% 242/√3 ±2×2.5% |
35 36 37 38.5 63 66 |
Iaoi0 |
28 |
207 |
33 |
207 |
40 |
219 |
HV-MV 12 HV-LV 34 ~ 38 MV-LV 20 ~ 22 |
167 |
33 |
248 |
39 |
248 |
48 |
261 |
|||||
250 |
47 |
333 |
55 |
333 |
68 |
352 |
|||||
334 |
58 |
428 |
68 |
428 |
84 |
451 |
|||||
400 |
66 |
491 |
78 |
491 |
96 |
518 |
|||||
120 |
28 |
221 |
33 |
221 |
40 |
233 |
HV-MV12 HV-LV 42 ~ 46 MV-LV 28 ~ 30 |
||||
167 |
33 |
261 |
39 |
261 |
48 |
276 |
|||||
250 |
47 |
356 |
55 |
356 |
68 |
375 |
|||||
334 |
58 |
459 |
68 |
459 |
84 |
485 |
|||||
400 |
66 |
522 |
78 |
522 |
96 |
551 |
|||||
120 |
28 |
221 |
33 |
221 |
40 |
233 |
HV-MV 14 ~ 15 HV-LV 42 ~ 46 MV-LV 28 ~ 30 |
||||
167 |
33 |
261 |
39 |
261 |
48 |
276 |
|||||
250 |
47 |
356 |
55 |
356 |
68 |
375 |
|||||
334 |
58 |
459 |
68 |
459 |
84 |
485 |
|||||
400 |
66 |
522 |
78 |
522 |
96 |
551 |
|||||
Pahimongon: Ang mga transformers nga may daghang espesyal nga mga parametro ug performance mahimo molihok batas sa pangutana sa customer.
(1) Altitude: ≤1000m;
(2) Ambient nga temperatura: Pinakataas nga temperatura: +40℃;Pinakataas nga bulanang average nga temperatura: +30℃;Pinakataas nga tuigang average nga temperatura: +20℃;Pinaka baba nga temperatura: -25℃.
(3) Power supply: approximate sinusoidal wave, three-phase symmetrical approximate
(4) Lokasyon sa pag-install: indoor o outdoor, walay obvious nga kontaminasyon.Pahimongon: Ang transformer nga gamiton sa espesyal nga kondisyon dapat ispesipikar sa panahon sa pag-order.