WHY USE MAINS PROTECTION RELAYS?

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Protection relays for the grid and equipment in parallel-to-mains applications WHY USE MAINS PROTECTION RELAYS?

Transcript of WHY USE MAINS PROTECTION RELAYS?

Page 1: WHY USE MAINS PROTECTION RELAYS?

Protection relays for the grid and equipment in

parallel-to-mains applications

WHY USE MAINS PROTECTION RELAYS?

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Maintaining power supply stability(Z�[OL�PUZ[HSSLK�JHWHJP[`�PU�KLJLU[YHSPaLK�ZV\YJLZ�VM�LULYN`�JVU[PU\LZ�[V�PUJYLHZL��[OL�KPZ[YPI\[PVU�Z`Z[LT�JHU�ILJVTL�SLZZ�Z[HISL�YLZ\S[PUN�PU�H�Å�\J[\H[PVU�VM�NYPK�WHYHTL[LYZ�Z\JO�HZ�]VS[HNL�HUK�MYLX\LUJ �̀�;V�RLLW�[OL�LX\PSPIYP\T�HUK�LUZ\YL�ZHML�VWLYH[PVU�VM�[OL�NYPK��THPUZ�WYV[LJ[PVU�PZ�LZZLU[PHS�MVY�L]LY`�WV^LY�ZV\YJL�VWLYH[PUN�PU�WHYHSSLS�[V�NYPK�

(Z�H�YLZ\S[��<[PSP[PLZ�HUK�+PZ[YPI\[PVU�5L[^VYR�6WLYH[VYZ��+56Z��PZZ\L�YLN\SH[PVUZ��^OPJO�L]LY`�ZP[L�NLULYH[PUN�WV^LY�T\Z[�JVTWS`�^P[O��;OLZL�YLN\SH[PVUZ�OPNOSPNO[�[OL�ULLK�MVY�WYV[LJ[PVU�YLSH`Z�PU�VYKLY�[V�WYV[LJ[�[OL�KPZ[YPI\[PVU�UL[^VYR�MYVT�KHUNLYV\Z�LMMLJ[�VM�HZ`UJOYVUV\Z�NLULYH[PVU�HUK�TPUPTPZLZ�[OL�SPRLSPOVVK�VM�LX\PWTLU[�KHTHNL�JH\ZLK�I`�KPZ[\YIHUJLZ�JVTPUN�KPYLJ[S`MYVT�[OL�THPUZ�UL[^VYR�

The importance of mains protection to Utility Companies���,UZ\YLZ�ZHML�IHSHUJLK�VWLYH[PVU�VM�[OL�KPZ[YPI\[PVU�Z`Z[LT

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The importance of mains protection to Plant Operators>P[O�[OL�YLZWVUZPIPSP[`�MVY�YLSPHISL�WYV[LJ[PVU�VM�WSHU[��VWLYH[VYZ�T\Z[�PUZ[HSS�HUK�THPU[HPU�HKLX\H[L�WYV[LJ[PVU�LX\PWTLU[��7YV[LJ[PVU�ZL[[PUNZ�H[�[OL�PU[LYMHJLZ�IL[^LLU�[OL�UL[^VYR�VWLYH[VY�HUK�[OL�WSHU[�VWLYH[VY�JVUULJ[PVU�V^ULY�PZ�NV]LYULK�\ZPUN�JV\U[Y`�ZWLJP�J�N\PKLSPULZ��^OPSZ[�[OL�UL[^VYR�VWLYH[VY�KL[LYTPULZ�^OL[OLY�HUK�^OPJO�WYV[LJ[PVU�KL]PJLZ�HYL�[V�IL�ZLHSLK�VY�V[OLY^PZL�WYV[LJ[LK�HNHPUZ[�HS[LYH[PVUZ��

The plant operator then must ensure

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���9LK\J[PVU�VM�KV^U�[PTL�HM[LY�NLULYH[PVU�KPZJVUULJ[PVU���PU[LYY\W[PVU

* extract from German standard BDEW

Decentralized energy

High installed capacity at different locations

High demands on the distribution network stability

Stricter requirements from DNO’s on grid operation

Increasing demand forimproved protection

Development of ComAp MainsPro and InteliPro

MainsPro

InteliPro

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How it works…&RP$S·V�0DLQV�3URWHFWLRQ

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MEASUREMENT MEASUREMENT

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INTELIGEN INTELISYS

InteliSys BaseBoxInteliGen BaseBox

InteliPro

MainsPro

Why are protection relays important?;OL�W\YWVZL�VM�H�THPUZ�WYV[LJ[PVU�YLSH`�PZ�[V�H\[VTH[PJHSS`�KPZJVUULJ[�KLJLU[YHSPaLK�WV^LY�NLULYH[PVU�Z`Z[LT�MYVT�[OL�KPZ[YPI\[PVU�UL[^VYR�PU�[OL�L]LU[�[OL�HKTPZZPISL�WHYHTL[LY�]HS\LZ�VM�[OL�NYPK�HYL�Z\YWHZZLK�

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Where are protection relays necessary?4HPUZ�WYV[LJ[PVU�YLSH`Z�HYL�H�ULJLZZHY`�WHY[�VM�HSS�KPZ[YPI\[PVU�UL[^VYRZ�[OH[�MLH[\YL�H�]HYPL[`�VM�KLJLU[YHSPaLK�LULYN`�ZV\YJLZ��

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Regulations around the world7YV[LJ[PVU�LX\PWTLU[�PZ�PTWVY[HU[�MVY�[OL�ZLJ\YL��HUK�YLSPHISL�VWLYH[PVU�VM�UL[^VYRZ��JVUULJ[PVU�MHJPSP[PLZ�HUK�NLULYH[PUN�WSHU[Z��/V^L]LY��[OL�YLN\SH[VY`�YLX\PYLTLU[Z�WSHJLK�\WVU�THPUZ�WYV[LJ[PVU�WLYMVYTHUJL�]HYPLZ�HJYVZZ�JV\U[YPLZ��HUK�PZ�KLWLUKLU[�\WVU�H�U\TILY�VM�RL`�MHJ[VYZ�

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General requirements which mains protections have to cover*��7YVTW[�YLZWVUZL�[PTL�[V�MHPS\YL��UV[�L_JLLKPUN�����TZ�

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* extract from German standard BDEW

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MainsPro and InteliPro approvals and acceptances

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Why inverters are not VXIÀ�FLHQW,Q�WKH�VSHFLÀ�F�FDVH�RI�PV installations, Mains Protection ensures:

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Capability>PKLY�YHUNL�VM�WYV[LJ[P]L�M\UJ[PVUZ��^OPJO�PUJS\KL�YL]LYZL�WV^LY��KPYLJ[PVUHS�V]LYJ\YYLU[��UL\[YHS�]VS[HNL�KPZWSHJLTLU[�HUK�LHY[O�MH\S[�J\YYLU[�TLHZ\YLTLU[�

Accuracy/PNOLY�HJJ\YHJ`�HZ�Z[HUKHYK��^P[O�WYV[LJ[PVUZ�[LZ[LK�VU�WYLJPZL�MHPS\YL�L]HS\H[PVU��ZOVY[LZ[�[YPWWPUN�[PTLZ�HUK�KL[LJ[PVU�VM�PU[LYUHS�MHPS\YLZ�

Simplicity0U[\P[P]L�HUK�\ZLY�MYPLUKS`�^P[O�LHZ`�VWLYH[PVU�HUK�^PYPUN��HSSV^PUN�MVY�YLTV[L�

JVU[YVS�MYVT�L_[LYUHS�KL]PJL�

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Solar (PV) applicationClotted Cream making factory, Cornwall, UK-VY�V]LY�����`LHYZ�9VKKH»Z�OH]L�ILLU�[OL�^VYSK�YLJVNUPZLK�IYHUK�VM�*VYUPZO�JSV[[LK�JYLHT�HJOPL]PUN�[OL�JV]L[LK�7YV[LJ[LK�+LZPNUH[PVU�VM�6YPNPU�MVY�[OL�KLSPJPV\Z�WYVK\J[�[OL`�THU\MHJ[\YL�PU�9LKY\[O��*VYU^HSS�

(Z�H�^H`�VM�THUHNPUN�M\[\YL�LULYN`�JVZ[Z��H�OPNO�WLYMVYTHUJL�WOV[V]VS[HPJ�Z`Z[LT�JHWHISL�VM�NLULYH[PUN����R>W�L]LU�PU�SV^�SPNO[�JVUKP[PVUZ�^HZ�YLJLU[S`�PUZ[HSSLK�VU�[OL�MHJ[VY`�YVVM��^P[O�[OL�WYVTPZL�VM�KLSP]LYPUN�Z\Z[HPUHISL�HUK�YLSPHISL�WV^LY�V\[W\[�V]LY�H����`LHY�WLYPVK��(�ULJLZZHY`�WHY[�VM�[OL�JVTTPZZPVUPUN�WYVJLZZ�^HZ�[OL�[LZ[PUN�HUK�WYV[LJ[PVU�]LYP�JH[PVU�VM�[OL�JVTWSL[L�Z`Z[LT�I`�[OL�SVJHS�LSLJ[YPJP[`�JVTWHU`�HZ�WHY[�VM�[OL�<2�.� ���NYPK�JVUULJ[PVU�WYVJLK\YLZ�

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Solar PanelsSolar panels are now an established and cost effective option for generating electricity, and as the supply operates in parallel-to-mains, require protection that meets the local utility supply standards.

%HQHÀ�W� Wider range of protective Increased safety of the installation

Applications and case studies from around the world

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Wind turbinesLarge-scale wind farms supply direct to the electric power transmission networks, whilst smaller facilities are used to provide electricity in remote locations for individual homes and communities.

%HQHÀW��Remote communication capability for isolated applications

Water powerSmall to medium water power plants are now increasingly common across Europe with the principal purpose of generating electricity directly back to the grid to cover GHPDQG�SHDNV�DQG�EHQHÀW�from ComAp modules providing full protection for generators operating parallel-to-mains.

%HQHÀW� Easy to install and intuitive to use

Applications and case studies from around the world

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CHP application'·9LQH�5LSH�7RPDWR�JURZLQJ�IDFLOLW\��$GHODLGH��$XVWUDOLD0U�[OPZ�THQVY�*/7�HWWSPJH[PVU�PUZ[HSSLK�I`�7V^LY�HUK�+YP]L�:VS\[PVUZ��Ä]L�VUZP[L�NLULYH[VYZ�OLSW�KLSP]LY�[OL�ULJLZZHY`�WV^LY�YLX\PYLK�[V�VWLYH[L�JSPTH[L�JVU[YVS�Z`Z[LTZ�[OH[�PUJS\KLZ�MHUZ��ZO\[[LYZ�HUK�L]HWVYH[P]L�JVVSLYZ�HZ�^LSS�HZ�PYYPNH[PVU�W\TWZ��O`KYVWVUPJ�HY[PJ\SH[PVU�Z`Z[LTZ��YVIV[PJ�WPJRPUN�THJOPULZ�HUK�WV^LY�NLULYHSS`�HJYVZZ�[OL�WSHU[�

;OL�WYVQLJ[�MLH[\YLZ�H�M\SS�YHUNL�VM�*VT(W�KLKPJH[LK�OHYK^HYL�HUK�WYL�JVUÄN\YLK�ZVM[^HYL�HUK�YLWYLZLU[Z�[OL�SHYNLZ[�HWWSPJH[PVU�[V�KH[L�MVY�*VT(W»Z�4HPUZ7YV�TVKLS��;OL�NLULYH[VYZ�VWLYH[L�PU�WHYHSSLS�HUK�PU�OHYTVU`�[V�[OL�THPUZ�\[PSP[`�Z\WWS`�VM�����R>�KLSP]LYPUN�HKKP[PVUHS�WV^LY�[OYV\NO�H�JVTIPUH[PVU�VM�[OYLL�KPLZLS�NLULYH[VYZ�JVTWYPZPUN�[^V������R>�*(;������HUK�VUL�����R>�*\TTPUZ�8:8���WHJRHNL��;OLZL�HYL�JVTWSLTLU[LK�I`�[^V�*(;������NHZ�WV^LY�NLULYH[PUN�WYV]PKPUN�����R>�¶�HSS�VM�^OPJO�^LYL�THUHNLK�]PH�H�JLU[YHS�JVU[YVS�YVVT�

;OL�WV^LY�JVUÄN\YH[PVU�PZ�KLZPNULK�ZV�[OL�NHZ�NLULYH[VYZ�Y\U�PU�WLYTHULU[�WHYHSSLS�^P[O�[OL�THPUZ�Z\WWS �̀�HUK�HZ�[OL�ZP[L�SVHK�PUJYLHZLZ�[OYV\NO�[OL�KH`�[OL�[OYLL�KPLZLS�NLULYH[VYZ�Z[HY[�HUK�Y\U�PU�WHYHSSLS�^P[O�[OL�THPUZ�HUK�NHZ�NLULYH[VYZ�PU�H�MVYT�VM�WLHR�SVW�VWLYH[PVU��

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CHPMini cogeneration (CHP) installations between 5 – 500 kWe in buildings or medium sized business can take full advantage of a completely integrated range of mains protection products that operate seamlessly with dedicated generator controllers (measuring all values via CAN BUS) and displaying the whole installation on one screen using the free PC tool InteliMonitor.

%HQHÀW� Seamlessly integrated packages

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MainsPro MAINS DECOUPLING RELAYMainsPro is a protection relay for mains-to-parallel applications, including generator sets, cogeneration, micro turbines or renewable energy sources such as photovoltaic plants or wind turbines. It provides adjustable voltage, frequency and loss of mains protections to safeguard both the distribution network and the generators.

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For further information go to www.comap.cz/protections. &HUWLÀFDWLRQV��DSSURYDOV�DQG�RWKHU�ÀOHV�DUH�DYDLODEOH�RQ�UHTXHVW�

InteliPro UTILITY PROTECTION RELAY,QWHOL3UR�LV�D�KLJKO\�ÁH[LEOH�LQWHUFRQQHFWLRQ�PDLQV�GHFRXSOLQJ�SURWHFWLYH�UHOD\�DQG�ZLWK�H[WHQVLYH�SURWHFWLYH�functions it meets the strictest utility interconnection requirements and can be used in wide range of distributed generation applications.

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MANUFACTURER:

ComAp a.s. *aLJO�9LW\ISPJ�7OVUL!�������������������-H_!�������������������,�THPS!�PUMV'JVTHW�Ja�0U[LYUL[!�www.comap.cz

LOCAL DISTRIBUTOR/PARTNER:

Customer satisfaction is our mission. We continuously develop our people to be the best to succeed in our mission.

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