129:
32:
321:
Power increases or decreases which last multiple cycles are called swells or sags, respectively. An uninterrupted voltage increase that lasts more than a minute is called an overvoltage. These are usually caused by malfunctions of the
246:). However some voltage spikes may be created by current sources. Voltage would increase as necessary so that a constant current will flow. Current from a discharging
310:
Voltage spikes may be longitudinal (common) mode or metallic (normal or differential) mode. Some equipment damage from surges and spikes can be prevented by use of
307:
or higher-voltage (primary circuit) power wires falling onto lower-voltage (secondary circuit) power wires as a result of accident or storm damage.
356: – Voltage-spike stopping diode across an inductor - a device to channel inductive spikes back through the coil producing them
96:
68:
277:
115:
75:
380:
303:
energy into the associated circuit. However voltage spikes can also have more mundane causes such as a fault in a
299:
Voltage spikes, also known as surges, may be created by a rapid buildup or decay of a magnetic field, which may
82:
53:
49:
335:
64:
323:
231:, whose nuclear electromagnetic pulses distribute large energies in frequencies from 1 kHz into the
456:
451:
300:
227:
In the design of critical infrastructure and military hardware, one concern is of pulses produced by
424:
148:
133:
42:
341:
140:
20:
314:
equipment. Each type of spike requires selective use of protective equipment. For example, a
210:
318:
voltage spike may not even be detected by a protector installed for normal mode transients.
258:
89:
8:
262:
362: – Short-duration reduction in the voltage of an electric power distribution system
338: – Electrical device that uses batteries to prevent any interruption of power flow
315:
293:
175:
171:
285:
228:
401:
239:
217:
energy distributed typically up to the 100 kHz and 1 MHz frequency range.
214:
347:
311:
273:
194:
445:
353:
272:, excessive electric current may destroy or severely weaken that device. An
266:
199:
56: in this December 2022. Unsourced material may be challenged and removed.
269:
188:
359:
304:
289:
254:
167:
257:, excessive current can flow if this voltage spike exceeds a material's
238:
The effect of a voltage spike is to produce a corresponding increase in
220:
232:
182:
31:
281:
247:
204:
Power transitions in other large equipment on the same power line
128:
16:
Short duration voltage transient in an electrical circuit
350: – Protects electrical devices from voltage spikes
296:) this transient current thereby minimizing voltage.
19:"Reverse surge" redirects here. For other uses, see
344: – Measurement of power meeting specifications
443:
381:"What Causes Voltage Spikes & Power Surges?"
166:Fast, short duration electrical transients (
116:Learn how and when to remove this message
207:Malfunctions caused by the power company
127:
444:
422:
147:are fast, short duration electrical
54:adding citations to reliable sources
25:
278:transient voltage suppression diode
13:
14:
468:
30:
292:protective devices can divert (
41:needs additional citations for
416:
394:
373:
235:range through the atmosphere.
1:
366:
336:Uninterruptible power supply
163:) in an electrical circuit.
7:
404:. InSync. February 12, 2008
329:
324:electric power distribution
10:
473:
159:), or transferred energy (
132:Voltage spikes labeled as
18:
425:"Inductive Voltage Spike"
261:voltage, or if it causes
178:are typically caused by
342:Electric power quality
288:, or a range of other
211:Electromagnetic pulses
141:electrical engineering
136:
131:
50:improve this article
263:avalanche breakdown
39:This December 2022
229:nuclear explosions
172:electric potential
137:
457:Voltage stability
452:Power electronics
423:Daycounter, Tim.
126:
125:
118:
100:
464:
436:
435:
433:
431:
420:
414:
413:
411:
409:
398:
392:
391:
389:
387:
377:
312:surge protection
250:is one example.
195:circuit breakers
121:
114:
110:
107:
101:
99:
58:
34:
26:
472:
471:
467:
466:
465:
463:
462:
461:
442:
441:
440:
439:
429:
427:
421:
417:
407:
405:
402:"Voltage Spike"
400:
399:
395:
385:
383:
379:
378:
374:
369:
348:Surge protector
332:
274:avalanche diode
215:electromagnetic
122:
111:
105:
102:
65:"Voltage spike"
59:
57:
47:
35:
24:
17:
12:
11:
5:
470:
460:
459:
454:
438:
437:
415:
393:
371:
370:
368:
365:
364:
363:
357:
351:
345:
339:
331:
328:
284:, overvoltage
253:For sensitive
225:
224:
218:
208:
205:
202:
200:Short circuits
197:
191:
186:
157:current spikes
153:voltage spikes
124:
123:
38:
36:
29:
15:
9:
6:
4:
3:
2:
469:
458:
455:
453:
450:
449:
447:
426:
419:
403:
397:
382:
376:
372:
361:
358:
355:
354:Flyback diode
352:
349:
346:
343:
340:
337:
334:
333:
327:
325:
319:
317:
313:
308:
306:
302:
297:
295:
291:
287:
283:
279:
275:
271:
268:
267:semiconductor
264:
260:
256:
251:
249:
245:
244:current spike
241:
236:
234:
230:
222:
219:
216:
212:
209:
206:
203:
201:
198:
196:
192:
190:
189:Power outages
187:
184:
181:
180:
179:
177:
173:
169:
164:
162:
161:energy spikes
158:
154:
150:
146:
142:
135:
130:
120:
117:
109:
98:
95:
91:
88:
84:
81:
77:
74:
70:
67: –
66:
62:
61:Find sources:
55:
51:
45:
44:
37:
33:
28:
27:
22:
430:December 31,
428:. Retrieved
418:
408:December 31,
406:. Retrieved
396:
386:December 31,
384:. Retrieved
375:
320:
309:
298:
252:
243:
237:
226:
168:overvoltages
165:
160:
156:
155:), current (
152:
151:in voltage (
144:
138:
112:
106:January 2023
103:
93:
86:
79:
72:
60:
48:Please help
43:verification
40:
360:Voltage sag
316:common mode
305:transformer
290:overvoltage
255:electronics
213:(EMP) with
446:Categories
367:References
149:transients
134:transients
76:newspapers
270:junctions
259:breakdown
233:gigahertz
221:Inductive
183:Lightning
170:) in the
330:See also
326:system.
282:varistor
248:inductor
193:Tripped
286:crowbar
240:current
185:strikes
176:circuit
90:scholar
301:induce
223:spikes
145:spikes
92:
85:
78:
71:
63:
294:shunt
265:. In
174:of a
97:JSTOR
83:books
21:Surge
432:2022
410:2022
388:2022
69:news
139:In
52:by
448::
280:,
276:,
143:,
434:.
412:.
390:.
242:(
119:)
113:(
108:)
104:(
94:·
87:·
80:·
73:·
46:.
23:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
